0.4乘(3.2-0.8)除以12用简便方法算

2021-02-24 07:12:03 字数 1571 阅读 3116

1楼:匿名用户

0.4*((3.2-0.8)/12)=0.4*(2.4/12)=0.08

2楼:匿名用户

0.4x(3.2-0.8)÷12

=0.4x2.4÷12

=0.96÷12

=0.08

0.4×括号3.2-0.8括号除以0.15的简便算试

3楼:枫叶

0.4×(3.2-0.8)÷0.15

=0.4×2.4÷0.15

=0.96÷0.15

=6.4

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0.4×括号3.2-0.8括号÷1.2用简便计算方法是什么?

4楼:风吹的小羊

0.4×(3.2-0.8)÷0.15

=0.4×2.4÷0.15

=0.96÷0.15

=6.4

0.4×括号3.2-0.8括号÷1.2用简便算法计算

5楼:匿名用户

0.4×括号3.2-0.8括号÷1.2用简便算法计算0.4x(3.2-0.8)÷1.2

=0.4x2.4÷1.2

=0.4x(2.4÷1.2)

=0.4x2

=0.8

6楼:馨悦陪着思悦玩

0.4×(3.2-0.8)÷1.2

=0.4×2.4÷1.2

=0.4×(2.4÷1.2)

=0.4×2

=0.8

用递等式计算(能用简便方法计算的尽可能用简算)(12)0.4×(3.2-0.8)÷0.15 &n...

7楼:暖暖

(12)

复0.4×(3.2-0.8)制÷0.15,bai=0.4×2.4÷0.15,

=0.96÷0.15,

=6.4;

du(zhi13)5.7+1.9×0.2÷7.6,=5.7+0.38÷7.6,

=5.7+0.05,

=5.75;

(14)32.4×6.3+32.4×3.7,=32.4×(6.3+3.7),dao

=32.4×10,

=324;

(15)18.2-10.6×(0.9-0.75),=18.2-10.6×0.15,

=18.2-1.59,

=16.61;

(16)0.25×3.85×40,

=0.25×40×3.85,

=10×3.85,

=38.5;

(17)1.46×3.5+3.5×4.54,=3.5×(1.46+4.54),

=3.5×6,

=21.

(3.2+0.12)÷0.8用简便计算

8楼:蝶舞

3.2÷0.8+0.12÷0.8

=4+0.15

=4.15

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