用简便方法计算。0.4x(3.2-0.8)÷1.2

用简便方法计算。0.4x(3.2-0.8)÷1.2
2024-11-06 20:42:42
推荐回答(1个)
回答1:

0.4x(3.2-0.8)÷1.2

=0.4x2.4÷1.2
=0.4x2
=0.8
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