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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