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14.6×0.8×12.5脱式计算

看到8和 125就要想到8×125=1000 =14.6×10 =146

14.6×0.28×12.5 =4.088*12.5 =51.1

14/5x(5/6+3/4)-1又4/5 =14/5x(10/12+9/12)-1又4/5 =14/5x19/12-1又4/5 =133/30-54/30 =79/30

1. 1/8*14/8/7 =7/4/8/7 =7/4*7/8 =49/*32 2. 9/14/(6/5-3/4)*7/24 =9/14/9/20*7/24 =9/14*20/9*7/24 =20/14*7/24 =5/12 第三小题题目再发准确点行吗

.120-36×4÷18+35 2.(58+37)÷(64-9×5) 3.(6.8-6.8×0.55)÷8.5 4.0.12× 4.8÷0.12×4.8 5.(3.2×1.5+2.5)÷1.6 (2)3.2×(1.5+2.5)÷1.6 6.6-1.6÷4= 5.38+7.85-5.37= 7.7.2÷0.8-1.2×5= 6-1.19×3-0.43= 8.6.5×(4.8-1.2×4)= 0.68×1.9+0.32×1.9 9...

六年级数学期末复习检测试卷 姓名: 一、仔细填空(共20分) 1、0.8 = = 12 ÷( ) = ( ) ∶20 = ( )% 2、 ∶ 12 化为最简单的整数比是 ( ) ,比值是 ( )。 3、把6米长的电线平均分成5段,每段是这根电线的 ,第3段长是( )米 4、 和 ( )互为...

86.7-(14.3-3.8) =86.7-10.5 =76.2 直接计算 60-(12.87+0.75) =60-13.65 =46.35

5-5/11-6/11 =5-(5/11+6/11) =5-1 =4 5/14+3/4+9/14+1/4 =(5/14+9/14)+(3/4+1/4) =1+1 =2

(1)162×26-256,=4212-256,=3956;(2)203×(86-16),=203×70,=(200+3)×70,=200×70+3×70,=14000+210,=14210;(3)455+45×5,=455+225,=680;(4)308+360×60,=308+21600,=21908;(5)(270+570)×14,=840×14,=11760;(6)400...

98.5一14.82÷7.6x3.2 =98.5-1.95×3.2 =98.5-6.24 =92.26

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