七点八除以零点二加二点二乘五简便计算

2025-02-25 05:49:22
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回答1:

七点八除以零点二加二点二乘五简便计算
七点八除以零点二加二点二乘五
=7.8*5+2.2*5
=5*(7.8+2.2
=5*10
=50