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    四年級下冊簡算脫式計(jì)算大全

    四年級下冊簡算脫式計(jì)算大全

    25×42×4 68×125×8 4×39×25
    4×25+16×25 4×25×16×25 36×99
    (25+15) ×4 (25×15)×4 49×49+49×51
    49×99+49 (68+32)×5 5×289×2
    68+32×5 (125×25)×4 (125 + 17)×8
    25×64×125 85×82 + 82×15 25×97 + 25×3
    64×15-14×15 125×88 88×102
    87×99 + 87 79×25 + 25 76×101-76

    四年級下冊數(shù)學(xué)題 口算 脫式計(jì)算 簡算

    1.2+9=10.2
    5.43-3.06=2.37
    3+1.2=4.2
    0.12+5=5.12
    1.2+1.8+1.4=4.4
    6.2+16+3.8=26
    14-0.6=13.4
    20.3-8=12.3
    50-1.5+4= 53.5
    175-0.56=174.44
    2.08+11=13.089
    0.4+20= 20.4
    2.5+67+7.5=77
    4.5-3=1.5
    25-0.38=1.62
    5.4+9.6=15
    5.6-4=1.6
    1.45+55=56.45
    4.6+49+51=104.6
    9.1-7=2.1
    10.3-0.3= 10
    28+9.2=37.2
    43.6+2.08=45.68
    14-7.4=6.6
    0.65+4.35= 5
    10-5.4=4.6
    1.5-0.06=1.44
    0.36+1.54=2
    14-7.4=6.6
    0.65+4.35= 5
    10-5.4=4.6
    1.5-0.06=1.44
    0.36+1.54=2
    0.75+0.25=1
    1.37+1+7.63=10
    5.6+2.7+4.4=12.7
    9.14-1.43-4.57=3.14
    77+2.7+2.3+25=107
    1.88+2.3+3.7=7.88
    9.14-1.43-4.57=3.14
    77+2.7+2.3+25=107
    1.88+2.3+3.7=7.88
    0.34+0.45=0.79
    0.57+0.9=1.47
    8-4.6=3.4
    0.6-0.37=0.23
    4.9+9.8=14.7
    39.5+98.8=138.3
    1.4+2.8=4.2
    1.5+3=4.5
    1.6+3.2=4.8
    1.7+3.4=5.1
    1.8+3.6=5.4
    1.9+3.8=5.7
    0.2+0.40=0.6
    2.1+4.2=6.3
    2.2+4.4=6.6
    2.3+4.6=6.9
    2.4+4.8=7.2
    2.5+5=7.5
    2.6+5.2=7.8
    2.7+5.4=8.1
    2.8+5.6=8.4
    2.9+5.8=8.7
    0.3+0.6=0.9
    3.1+6.2=9.3
    3.2+6.4=9.6
    3.3+6.6=9.9
    1-0.3=0.7
    1.5-0.4=1.1
    2-0.5=1.5
    2.5-0.6=1.9
    3.0-0.7=2.3
    3.5-0.8=2.7
    4-0.9=3.1
    4.5-1=3.5
    5-1.1=3.9
    5.5-1.2=4.3
    6-1.3=4.7
    6.5-1.4=5.1
    7-1.5=5.5
    7.5-1.6=5.9
    8-1.7=6.3
    8.5-1.8=6.7
    9-1.9=7.1
    9.5-2=7.5
    10-2.1=7.9
    10.5-2.2=8.3
    11-2.3=8.7
    11.5-2.4=9.1
    12-2.5=9.5
    12.5-2.6=9.9
    13-2.7=10.3
    0.2+0.6+0.0.2=1
    2.8 + 1.5 + 0.7=5
    3.12- 5.6 + 2.9=0.42
    4.8- 5.4 + 1.4 =0.8
    5.6- 3.8 – 0.38 = 1.42
    6.4 + 5.9 + 3.7 = 16
    7.5 - 3.2 + 4.5 = 8.8
    8.7 + 1.8 + 1.9 = 12.4
    9.9 - 5.6 + 5.6 =9.9
    10.3 - 8.9 - 1.3= 0.1
    11.7 + 5.49 + 3.14= 20.33
    12.6 +1.2 + 2.3 = 16.1
    13.8 - 4.5 + 11.5 =20.8
    14.3 - 5.6 – 5.6 =3.1
    15.9 - 2.7 – 10.21 = 2.99
    16.5 - 1.8 – 1.4= 13.3
    17.4 + 2.5 + 2.3= 22.2
    18.4 + 8.7 – 5.6 =21.5
    19.1+3.2 – 3.4 = 18.9
    20.3 - 2.9 + 1.3= 18.7
    21.5 - 2.5 + 3.7= 22.7
    22.3 + 2.3 + 1.6= 26.2
    23.1 + 2.3 + 5.6= 31
    24.9 + 11 - 1.2= 34.7
    25.5 - 11.5 + 4.3= 18.3
    26.4 - 2.3 + 1.3 = 25.4
    27.7 + 1.19 - 5.6= 23.29
    28.1 + 3.4 - 2.3= 29.2
    29.8 -2.16 + 1.2= 28.841.2+9=10.2
    5.43-3.06=2.37
    3+1.2=4.2
    0.12+5=5.12
    1.2+1.8+1.4=4.4
    6.2+16+3.8=26
    14-0.6=13.4
    20.3-8=12.3
    50-1.5+4= 53.5
    175-0.56=174.44
    2.08+11=13.089
    0.4+20= 20.4
    2.5+67+7.5=77
    4.5-3=1.5
    25-0.38=1.62
    5.4+9.6=15
    5.6-4=1.6
    1.45+55=56.45
    4.6+49+51=104.6
    9.1-7=2.1
    10.3-0.3= 10
    28+9.2=37.2
    43.6+2.08=45.68
    14-7.4=6.6
    0.65+4.35= 5
    10-5.4=4.6
    1.5-0.06=1.44
    0.36+1.54=2
    14-7.4=6.6
    0.65+4.35= 5
    10-5.4=4.6
    1.5-0.06=1.44
    0.36+1.54=2
    0.75+0.25=1
    1.37+1+7.63=10
    5.6+2.7+4.4=12.7
    9.14-1.43-4.57=3.14
    77+2.7+2.3+25=107
    1.88+2.3+3.7=7.88
    9.14-1.43-4.57=3.14
    77+2.7+2.3+25=107
    1.88+2.3+3.7=7.88
    0.34+0.45=0.79
    0.57+0.9=1.47
    8-4.6=3.4
    0.6-0.37=0.23
    4.9+9.8=14.7
    39.5+98.8=138.3
    1.4+2.8=4.2
    1.5+3=4.5
    1.6+3.2=4.8
    1.7+3.4=5.1
    1.8+3.6=5.4
    1.9+3.8=5.7
    0.2+0.40=0.6
    2.1+4.2=6.3
    2.2+4.4=6.6
    2.3+4.6=6.9
    2.4+4.8=7.2
    2.5+5=7.5
    2.6+5.2=7.8
    2.7+5.4=8.1
    2.8+5.6=8.4
    2.9+5.8=8.7
    0.3+0.6=0.9
    3.1+6.2=9.3
    3.2+6.4=9.6
    3.3+6.6=9.9
    1-0.3=0.7
    1.5-0.4=1.1
    2-0.5=1.5
    2.5-0.6=1.9
    3.0-0.7=2.3
    3.5-0.8=2.7
    4-0.9=3.1
    4.5-1=3.5
    5-1.1=3.9
    5.5-1.2=4.3
    6-1.3=4.7
    6.5-1.4=5.1
    7-1.5=5.5
    7.5-1.6=5.9
    8-1.7=6.3
    8.5-1.8=6.7
    9-1.9=7.1
    9.5-2=7.5
    10-2.1=7.9
    10.5-2.2=8.3
    11-2.3=8.7
    11.5-2.4=9.1
    12-2.5=9.5
    12.5-2.6=9.9
    13-2.7=10.3
    0.2+0.6+0.0.2=1
    2.8 + 1.5 + 0.7=5
    3.12- 5.6 + 2.9=0.42
    4.8- 5.4 + 1.4 =0.8
    5.6- 3.8 – 0.38 = 1.42
    6.4 + 5.9 + 3.7 = 16
    7.5 - 3.2 + 4.5 = 8.8
    8.7 + 1.8 + 1.9 = 12.4
    9.9 - 5.6 + 5.6 =9.9
    10.3 - 8.9 - 1.3= 0.1
    11.7 + 5.49 + 3.14= 20.33
    12.6 +1.2 + 2.3 = 16.1
    13.8 - 4.5 + 11.5 =20.8
    14.3 - 5.6 – 5.6 =3.1
    15.9 - 2.7 – 10.21 = 2.99
    16.5 - 1.8 – 1.4= 13.3
    17.4 + 2.5 + 2.3= 22.2
    18.4 + 8.7 – 5.6 =21.5
    19.1+3.2 – 3.4 = 18.9
    20.3 - 2.9 + 1.3= 18.7
    21.5 - 2.5 + 3.7= 22.7
    22.3 + 2.3 + 1.6= 26.2
    23.1 + 2.3 + 5.6= 31
    24.9 + 11 - 1.2= 34.7
    25.5 - 11.5 + 4.3= 18.3
    26.4 - 2.3 + 1.3 = 25.4
    27.7 + 1.19 - 5.6= 23.29
    28.1 + 3.4 - 2.3= 29.2
    29.8 -2.16 + 1.2= 28.84
    30.1 + 1.5 – 1.5 =30.1
    累死了,記得加分!

    一列即將接受檢閱的彩車隊(duì)共有30輛車,每輛車長4米,相鄰兩輛車相隔5米。這列車隊(duì)有多長?
    30×(4+5)-5=265(米)
    如果車隊(duì)每秒行駛2米,那么這列車隊(duì)要通過535米長的檢閱場地,需要多少時(shí)間?
    (265+535)÷2=400(秒)

    四年級上冊簡算、脫式計(jì)算!

    75÷〔138÷(100-54)〕 85×(95-1440÷24)
    80400-(4300+870÷15) 240×78÷(154-115)
    1437×27+27×563 〔75-(12+18)〕÷15
    2160÷〔(83-79)×18〕 280+840÷24×5
    325÷13×(266-250) 85×(95-1440÷24)
    58870÷(105+20×2) 1437×27+27×563
    81432÷(13×52+78) [37.85-(7.85+6.4)] ×30
    156×[(17.7-7.2)÷3] (947-599)+76×64
    36×(913-276÷23) [192-(54+38)]×67
    [(7.1-5.6)×0.9-1.15]÷2.5 81432÷(13×52+78)
    5.4÷[2.6×(3.7-2.9)+0.62] (947-599)+76×64 60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4 1.25×2.4) 0.8×〔15.5-(3.21 5.79)〕 (31.8 3.2×4)÷5 194-64.8÷1.8×0.9 36.72÷4.25×9.9 3.416÷(0.016×35) 0.8×[(10-6.76)÷1.2]
    (136+64)×(65-345÷23) (6.8-6.8×0.55)÷8.5
    0.12× 4.8÷0.12×4.8 (58+37)÷(64-9×5)
    812-700÷(9+31×11) (3.2×1.5+2.5)÷1.6
    85+14×(14+208÷26) 120-36×4÷18+35
    (284+16)×(512-8208÷18) 9.72×1.6-18.305÷7
    4/7÷[1/3×(3/5-3/10)] (4/5+1/4)÷7/3+7/10
    12.78-0÷( 13.4+156.6 ) 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 3.2×(1.5+2.5)÷1.6
    85+14×(14+208÷26) (58+37)÷(64-9×5)
    (6.8-6.8×0.55)÷8.5 (284+16)×(512-8208÷18)
    0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6
    120-36×4÷18+35 10.15-10.75×0.4-5.7
    5.8×(3.87-0.13)+4.2×3.74 347+45×2-4160÷52
    32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)
    [(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6
    5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6
    3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6
    5.8×(3.87-0.13)+4.2×3.74
    33.02-(148.4-90.85)÷2.5

    四年級下冊脫式簡便計(jì)算23道

    158+262+138
    375+219+381+225
    5001-247-1021-232
    (181+2564)+2719
    378+44+114+242+222
    276+228+353+219
    (375+1034)+(966+125)
    (2130+783+270)+1017
    99+999+9999+99999
    7755-(2187+755)
    2214+638+286
    3065-738-1065
    899+344
    2357-183-317-357
    2365-1086-214
    497-299
    2370+1995
    3999+498
    1883-398
    12×25
    75×24
    138×25×4
    (13×125)×(3×8)
    (12+24+80)×50
    704×25
    25×32×125
    32×(25+125)
    88×125
    102×76
    58×98
    178×101-178
    84×36+64×84
    75×99+2×75
    83×102-83×2
    98×199
    123×18-123×3+85×123
    50×(34×4)×3
    25×(24+16)
    178×99+178
    79×42+79+79×57
    7300÷25÷4
    8100÷4÷75
    16800÷120
    30100÷2100
    32000÷400
    49700÷700
    1248÷24
    3150÷15
    4800÷25
    21500÷125
    附加題:
    2356-(1356-721)
    1235-(1780-1665)
    75×27+19×2 5
    31×870+13×310
    4×(25×65+25×28)

    四年級下冊脫式計(jì)算題

    3.21+0.24+0.76
    12.6-4.4-5.6

    四年級下冊脫式計(jì)算題
    20×[(2.44-1.8)÷0.4+0.15]
    28-(3.4+1.25×2.4)
    2.55×7.1+2.45×7.1
    777×9+1111×3
    0.8×〔15.5-(3.21+5.79)〕
    (31.8+3.2×4)÷5

    1. 3/7 × 49/9 - 4/3
    2. 8/9 × 15/36 + 1/27
    3. 12× 5/6 – 2/9 ×3
    4. 8× 5/4 + 1/4
    5. 6÷ 3/8 – 3/8 ÷6
    6. 4/7 × 5/9 + 3/7 × 5/9
    7. 5/2 -( 3/2 + 4/5 )
    8. 7/8 + ( 1/8 + 1/9 )
    9. 9 × 5/6 + 5/6
    10. 3/4 × 8/9 - 1/3
    11. 7 × 5/49 + 3/14
    12. 6 ×( 1/2 + 2/3 )
    13. 8 × 4/5 + 8 × 11/5
    14. 31 × 5/6 – 5/6
    15. 9/7 - ( 2/7 – 10/21 )
    16. 5/9 × 18 – 14 × 2/7
    17. 4/5 × 25/16 + 2/3 × 3/4
    18. 14 × 8/7 – 5/6 × 12/15
    19. 17/32 – 3/4 × 9/24
    20. 3 × 2/9 + 1/3

    要四年級下冊脫式計(jì)算200道

    (1)98+998+9998+99998
    =(100-2)+(1000-2)+(10000-2)+(10000-2)
    =100+1000+10000+10000-2-2-2-2
    =111100-8
    =111092
    (2)1127*1123
    =(1120+7)*(1120+3)
    =1120*1120+1120*3+1120*7+7*3
    =1254400+1120*(7+3)+21
    =1254400+11200+21
    =1265621
    脫式計(jì)算。
    408-12×24 (46+28)×60 42×50-1715÷5
    32+105÷5 (108+47)×52 420×(327-238)
    (4121+2389)÷7 671×15-974 469×12+1492
    405×(3213-3189) 5000-56×23 125×(97-81)
    6942+480÷3 304×32-154 20+80÷4-20=
    100÷(32-30)×0= 25×4-12×5=
    70×〔(42-42)÷18〕= 75×65+75×35=
    用簡便方法計(jì)算下面各題
    1、89+124+11+26+48 2、875-147-23
    3.25×125×40×8 4、147×8+8×53
    5、125×64 6、0.9+1.08+0.92+0.1
    用簡便方法計(jì)算
    ①89+124+11+26+48 ②875-147-23
    ③147×8+8×53 ④125×64
    計(jì)算下面各題.
    1.280+840÷24×5 2.85×(95-1440÷24)
    3.58870÷(105+20×2) 4.80400-(4300+870÷15)
    5.1437×27+27×563 6.81432÷(13×52+78)
    7.125×(33-1) 8.37.4-(8.6+7.24-6.6)
    計(jì)算。(1∶1)
    (1)156×107-7729 (2)37.85-(7.85+6.4)
    75÷〔138÷(100-54)〕 85×(95-1440÷24)
    80400-(4300+870÷15) 240×78÷(154-115)
    1437×27+27×563 〔75-(12+18)〕÷15
    2160÷〔(83-79)×18〕 280+840÷24×5
    325÷13×(266-250) 85×(95-1440÷24)
    58870÷(105+20×2) 1437×27+27×563
    81432÷(13×52+78) [37.85-(7.85+6.4)] ×30
    156×[(17.7-7.2)÷3] (947-599)+76×64
    36×(913-276÷23) [192-(54+38)]×67
    [(7.1-5.6)×0.9-1.15]÷2.5 81432÷(13×52+78)
    5.4÷[2.6×(3.7-2.9)+0.62] (947-599)+76×64 60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4 1.25×2.4) 0.8×〔15.5-(3.21 5.79)〕 (31.8 3.2×4)÷5 194-64.8÷1.8×0.9 36.72÷4.25×9.9 3.416÷(0.016×35) 0.8×[(10-6.76)÷1.2]
    (136+64)×(65-345÷23) (6.8-6.8×0.55)÷8.5
    0.12× 4.8÷0.12×4.8 (58+37)÷(64-9×5)
    812-700÷(9+31×11) (3.2×1.5+2.5)÷1.6
    85+14×(14+208÷26) 120-36×4÷18+35
    (284+16)×(512-8208÷18) 9.72×1.6-18.305÷7
    4/7÷[1/3×(3/5-3/10)] (4/5+1/4)÷7/3+7/10
    12.78-0÷( 13.4+156.6 ) 37.812-700÷(9+31×11) (136+64)×(65-345÷23) 3.2×(1.5+2.5)÷1.6
    85+14×(14+208÷26) (58+37)÷(64-9×5)
    (6.8-6.8×0.55)÷8.5 (284+16)×(512-8208÷18)
    0.12× 4.8÷0.12×4.8 (3.2×1.5+2.5)÷1.6
    120-36×4÷18+35 10.15-10.75×0.4-5.7
    5.8×(3.87-0.13)+4.2×3.74 347+45×2-4160÷52
    32.52-(6+9.728÷3.2)×2.5 87(58+37)÷(64-9×5)
    [(7.1-5.6)×0.9-1.15] ÷2.5 (3.2×1.5+2.5)÷1.6
    5.4÷[2.6×(3.7-2.9)+0.62] 12×6÷(12-7.2)-6
    3.2×6+(1.5+2.5)÷1.6 (3.2×1.5+2.5)÷1.6
    5.8×(3.87-0.13)+4.2×3.74
    33.02-(148.4-90.85)÷2.5
    (3)287×5+96990÷318 (4)1554÷[(72-58)×3]
    脫式計(jì)算
    2800÷ 100+789 (947-599)+76×64
    1.36×(913-276÷23) 2.(93+25×21)×9
    3.507÷13×63+498 4.723-(521+504)÷25
    5.384÷12+23×371 6.(39-21)×(396÷6)
    (1)156×[(17.7-7.2)÷3] (2)[37.85-(7.85+6.4)] ×30
    (3)28×(5+969.9÷318) (4)81÷[(72-54)×9]
    57×12-560÷35 848-640÷16×12
    960÷(1500-32×45) [192-(54+38)]×67
    138×25×4 (13×125)×(3×8) (12+24+80)×50 704×25 25×32×125 32×(25+125)
    178×101-178 84×36+64×84 75×99+2×75 83×102-83×2 98×199
    123×18-123×3+85×123 50×(34×4)×3 25×(24+16) 178×99+178
    79×42+79+79×57 7300÷25÷4 8100÷4÷75 75×27+19×2 5 31×870+13×310
    4×(25×65+25×28) 138×25×4 (13×125)×(3×8) (12+24+80)×50
    25×32×125 32×(25+125) 102×76 58×98
    178×101-178 84×36+64×84 75×99+2×75 83×102-83×2
    98×199 123×18-123×3+85×123 50×(34×4)×3 25×(24+16)
    178×99+178 79×42+79+79×57 7300÷25÷4 8100÷4÷75
    158+262+138
    375+219+381+225
    5001-247-1021-232
    (181+2564)+2719
    378+44+114+242+222
    276+228+353+219
    (375+1034)+(966+125)
    (2130+783+270)+1017
    99+999+9999+99999
    7755-(2187+755)
    2214+638+286
    3065-738-1065
    899+344
    2357-183-317-357
    2365-1086-214
    497-299
    2370+1995
    3999+498
    1883-398
    12×25
    75×24
    138×25×4
    (13×125)×(3×8)
    (12+24+80)×50
    704×25
    25×32×125
    32×(25+125)
    88×125
    102×76
    58×98
    178×101-178
    84×36+64×84
    75×99+2×75
    83×102-83×2
    98×199
    123×18-123×3+85×123
    50×(34×4)×3
    25×(24+16)
    178×99+178
    79×42+79+79×57
    7300÷25÷4
    8100÷4÷75
    16800÷120
    30100÷2100
    32000÷400
    49700÷700
    1248÷24
    3150÷15
    4800÷25
    21500÷125
    附加題:
    2356-(1356-721)
    1235-(1780-1665)
    75×27+19×2 5
    31×870+13×310
    4×(25×65+25×28)



    840X105脫式

    脫式計(jì)算,能簡算的要簡算
    脫式計(jì)算的簡算示例如下:25×4×8=(25×4)×8=100×8=800。63÷9+7×5=7+35=42。125×8+50×12=1000+600=1600。45×(8-3)+20×6=45×5+120=225+120=345。(15-7)×(8+4)=8×12=96。在進(jìn)行脫式計(jì)算時(shí),需要注意以下幾點(diǎn) 1、熟練掌握基本的加減乘除運(yùn)算規(guī)則,這是進(jìn)行脫...

    用脫式要簡便計(jì)算?
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    四年級下冊脫式計(jì)算和簡便計(jì)算有區(qū)別嗎?
    3×8+3×2 脫式計(jì)算:=24+6=30 簡便計(jì)算:=3×(8+2)=3×10=30

    四年級下冊簡便運(yùn)算500道以及答案必須脫式急
    3. 125 × 64 = 125 × 8 × 8 = 1000 × 8 = 8000 4. 89 + 101 + 111 = 101 + (89 + 111) = 101 + 200 = 301 5. 24 + 127 + 476 + 573 = (24 + 476) + (127 + 573) = 500 + 700 = 1200 6. 400 - 273 - 127 = 400 - (273 + 127) = 400 - 400 ...

    脫式計(jì)算(能簡算得要簡算)
    1、12.5x8.8=12.5x8x11=10x11=110;2、39x4.6+4.6=39x4.6+1x4.6=(39+1)x4.6=40x4.6=184;3、9.6÷0.4÷3=9.6÷(0.4x3)=9.6÷1.2=8;4、0.25x0.7x40=0.25x40x0.7=10x0.7=7;5、4.32x0.52+6.68x0.52-0.52=(4.32+6.68-1)x0.52=(11-1)x0.52=...

    四年級數(shù)學(xué)含小數(shù)的脫式簡便計(jì)算
    {四年級數(shù)學(xué)含小數(shù)的脫式簡便計(jì)算} 一、口算題 小數(shù)加法:0.3 + 1.5 = 1.8 2.5 + 9.8 = 12.3 7.6 + 1.3 = 8.9 4.4 + 5.7 = 10.1 2.3 + 7.7 = 10 5.7 + 3.1 = 8.8 7.69 + 2.31 = 9.99 9.16 + 2.64 = 11.8 5.68 + 12.22 = 17.9 小數(shù)...

    五年級下冊小學(xué)簡便運(yùn)算脫式計(jì)算
    =(100+10)X0.7 =

    四年級下冊脫式計(jì)算題50道
    要四年級下冊脫式計(jì)算題200道, 500道四年級下冊脫式計(jì)算題(只要整數(shù)) 1. 3\/7 × 49\/9 - 4\/3 2. 8\/9 × 15\/36 + 1\/27 3. 12× 5\/6 – 2\/9 ×3 4. 8× 5\/4 + 1\/4 5. 6÷ 3\/8 – 3\/8 ÷6 6. 4\/7 × 5\/9 + 3\/7 × 5\/9 7. 5\/2 -( 3\/2 + 4\/5 ) 8. 7\/...

    五年級下冊分?jǐn)?shù)簡便計(jì)算脫式400道要答案
    五年級下冊分?jǐn)?shù)簡便計(jì)算脫式400道要答案 1.125*3+125*5+25*3+25 2.9999*3+101*11*(101-92) 3.(23\/4-3\/4)*(3*6+2) 4. 3\/7 × 49\/9 - 4\/3 5. 8\/9 × 15\/36 + 1\/27 6. 12× 5\/6 – 2\/9 ×3 7. 8× 5\/4 + 1\/4 8. 6÷ 3\/8 – 3\/8 ...

    脫式計(jì)算題六年級50到左右能簡算,要簡算。
    1.25×(8+10)=1.25×8+1.25×10 =10+12.5=22.5 9123-(123+8.8)=9123-123-8.8 =9000-8.8 =8991.2 1.24×8.3+8.3×1.76 =8.3×(1.24+1.76)=8.3×3=24.9 9999×1001 =9999×(1000+1)=9999×1000+9999×1 =10008999 14.8×6.3-6.3×6.5+8.3×3...

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