3.6除以0.4减1.2乘5简便

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3.6除以0.4减1.2乘5简便

3.6除以0.4减1.2乘5简便
3.6除以0.4减1.2乘5简便

3.6除以0.4减1.2乘5简便
3.6/0.4-1.2*5
=9-6
=3
这题按四侧混合运算法则计算最简单.

3.6除以0.4减1.2乘5
=3.6×2.5-2.4×2.5
=2.5×(3.6-2.4)
=2.5×1.2
=3

3.6/0.4-1.2*5
=3.6×2.5-2.4×2.5
=2.5×(3.6-2.4)
=2.5×1.2
=3
计算也很简单
3.6/0.4-1.2*5
=9-6
=3