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?
脫式計(jì)算是一個(gè)數(shù)學(xué)學(xué)科術(shù)語,即遞等式計(jì)算,把計(jì)算過程完整寫出來的運(yùn)算,也就是脫離豎式的計(jì)算。(1)393+287-93+13 =(393-93)+(287+13)=300+300 =600。(2)125x4x8x25 =(125x8)x(4x25)=1000x100 =100000。(3)375x42+25x42 =(375+25)x42 =400x42 =16800。(4)36x99 =36x...
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...
相關(guān)評說:
香格里拉縣非周: ______[答案] 1.600?15+15X74 2.6666?66X(88+37) 3.(35X20+80)?20 4.66X88-52X47 5.600?15+(74-20)
香格里拉縣非周: ______[答案] 簡便計(jì)算: 1、123+259+741+477 =(123+477)+(259+741) =600+1000 =1600 2、95*46+46*5 =46*(95+5) =46*100 =4600 3、102*34 =(100+2)*34 =100*...
香格里拉縣非周: ______ 1+2+3+4+5+6+7+8+9+0+11+12+13+14+15+16+17=
香格里拉縣非周: ______ 小數(shù)加減法: 1.8+3.9= 3.7+8.4= 5.6+1.4= 2.9+4.5= 2.8+4.7= 脫式計(jì)算: 4.6+2.7-3.1 = = 31.7+2.3+4.9 = = 28.1-3.9+1.6 = = 36.6-2.4-1.9 = = 3.4+1.6+2.9 = = 簡便計(jì)算: (9.6+10.4)+1.1 = = 10+9.6+10+0.4 = = 9.4+10.6-10 = = 1.4+1.4+2.2 = = 56.8+43.2-10 = =
香格里拉縣非周: ______ 1) 67+42+33+58 (2) 258-58-26-74 (3) 125*16 (4) 50*(2*4)*25 (5) 7*8*3*125 (6) 26*103 (7) 501*12 (8) 25*(40+8) (9) 39*14+61*14 (10) 163*8+37*8 (11) 202*13 (12) 77*4*5 (13) 27*99 (14) 48*250 (15) 98+303
香格里拉縣非周: ______ 125+25X6=125+150=275120-60÷5X5=120-60=601024÷16X3=64X3=132(135+145)÷5+16=280÷5+16=56+16=72164-13X5+85=164-65+85=99+85=184330÷(65-50)=330÷1522128-6X8÷16=128-48÷16=128-3=12564X(12 + 65÷13)=64X(12+5)=...
香格里拉縣非周: ______ 22*4+221 21*3+410 40÷2+174 147+72÷8 9*4+420 2*80÷4 120*5÷2 202+36÷9 30÷5+240 81÷9+877 66*5+774 921+7*4 80*6*2 770÷7+65 807+20÷2 100-50÷5 35-35÷7 302+30*2 600*8÷3 40+100÷5 434+25*5 60-12*3 64÷8+456 640+60*4
香格里拉縣非周: ______ 簡便計(jì)算: 1、123+259+741+477 =(123+477)+(259+741) =600+1000 =1600 2、95*46+46*5 =46*(95+5) =46*100 =4600 3、102*34 =(100+2)*34 =100*34+2*34 =3400+68 =3468 4、749+5036+251 =749+251+5036 =1000+5036 =6036 5、...
香格里拉縣非周: ______[答案] 1) 500+(407+0)= 2) 386+382+114= 3) 42+(91+158+109)= 4) (87+103+113)+97= 5) (246+387+154)+13= 6) 49+(71+151+... 227-(170+27)= 20) 282-9-(1+190)= 加法運(yùn)算定律的簡便運(yùn)算題(一) 1) 500+(407+0)= 2) 386+382+114= 3) 42+(91+158+109...
香格里拉縣非周: ______ 12*(40-5) =12*40-12*5 =480-60 =420 64*9-14*9 =(64-14)*9 =50*9 =450 35*98 =35*(100-2) =35*100-35*2 =3500-70 =3430 23*134-34*23 =23*(134-34) =23*100 =2300