624除6除4脫式計(jì)算
908除以32-108除以32的脫式計(jì)算
（908-108）÷32 =800÷32 =25 所以原式的計(jì)算結(jié)果為25.
用脫式計(jì)算
回答：18×3.5×8.9用脫式計(jì)算
佼湯17596047454咨詢： (4.9 9.8)÷4的脫式計(jì)算 -
洞口縣頂高回復(fù)：
______ 脫式計(jì)算 (4.9+9.8)÷4 =14.7÷4 =3.675
佼湯17596047454咨詢： (6/5)除以(3/7)除以(9/8)脫式計(jì)算 -
洞口縣頂高回復(fù)：
______ (5/6+ 3/8)÷(5/6-3/8) =(20/24+9/24)÷(20/24-9/24) =29/24÷11/24 =29/24*24/11 =29/11
佼湯17596047454咨詢： (57ⅹ35+43ⅹ35)÷4脫式計(jì)算 -
洞口縣頂高回復(fù)：
______ (57ⅹ35+43ⅹ35)÷4脫式計(jì)算 解答: (57ⅹ35+43ⅹ35)÷4 =(57+43)x35÷4 =100x35÷4 =3500÷4 =875
佼湯17596047454咨詢： 脫式計(jì)算 756÷7÷6624÷6*5960÷6*425*8*925*4*12840÷4*3 -
洞口縣頂高回復(fù)：
______[答案] (1)756÷7÷6 =108÷6 =18; (2)624÷6*5 =104*5 =520; (3)960÷6*4 =160*4 =640; (4)25*8*9 =200*9 =1800; (5)25*4*12 =100*12 =1200; (6)840÷4*3 =210*3 =630.
佼湯17596047454咨詢： 脫式計(jì)算480÷6 - 35 40*7+5584÷4 - 16 76 - 18*4(57+33)÷3 180 - (57+89) -
洞口縣頂高回復(fù)：
______[答案] (1)480÷6-35 =80-35 =45; (2)40*7+55 =280+55 =335; (3)84÷4-16 =21-16 =5; (4)76-18*4 =76-72 =4; (5)(57+33)÷3 =90÷3 =30; (4)180-(57+89) =180-146 =34.
佼湯17596047454咨詢： 738 - 126除3*4脫式計(jì)算 -
洞口縣頂高回復(fù)：
______ 738-126÷3X4=738-42X4=738-168=738-200+32=538+32=570
佼湯17596047454咨詢： 脫式計(jì)算:3*8.7+8.7*3.7 -
洞口縣頂高回復(fù)：
______ (1)3*8.7+8.7*3.7, =26.1+32.19, =58.29; (2)( 1 3 - 1 6 + 1 4 )*12, = 1 3 *12- 1 6 *12+ 1 4 *12, =4-2+3, =5; (3) 7 4 * 5 8 + 1 4 ÷ 8 5 , =( 7 4 + 1 4 )* 5 8 , = 8 4 * 5 8 , =1 1 4 .
佼湯17596047454咨詢： 脫式計(jì)算(315+285)÷(315 - 255)5 - ( 6 7 ÷ 3 14 + 6 13 )( -
洞口縣頂高回復(fù)：
______ (1)(315+285)÷(315-255)=600÷60,=10;(2)5-( 6 7 ÷ 3 14 + 6 13 )=5-(4+ 6 13 ),=5-4 6 13 ,= 7 13 ;(3)( 1 4 + 1 6 - 1 3 )*36= 1 4 *36+ 1 6 *36- 1 3 *36,=9+6-12,=3;(4)3.3* 3 4 +0.75*3.7+75%*3=3.3*0.75+0.75*3.7+0.75*3,=(3.3+3.7+3)*0.75,=10*0.75,=7.5.
佼湯17596047454咨詢： 脫式計(jì)算,注意計(jì)算簡(jiǎn)便1/6+3/4*2/3除以2[1 - (1/4+3/8)]除以1/4 -
洞口縣頂高回復(fù)：
______[答案] 1/6+3/4*2/3÷2 =1/6+1/2÷2 =1/6+1/4 =5/12 [1-(1/4+3/8)]÷1/4 =[1-5/8]÷1/4 =3/8÷1/4 =3/2 =1.5
佼湯17596047454咨詢： 脫式計(jì)算;(1/6 - 1/9)\1/6+4/5 -
洞口縣頂高回復(fù)：
______[答案] ;(1/6-1/9)\1/6+4/5 =1/18*6+4/5 =1/3+4/5 =5/15+12/15 =17/15
