12.5除以括号0.2除以0.8括号用简便计算

12.5除以括号0.2除以0.8括号用简便计算
2025-04-26 03:01:11
推荐回答(2个)
回答1:

12.5÷(0.2÷0.8)
=12.5÷2/8
=12.5×8/2
=100/2
=50

回答2:

12.5÷(0.2÷0.8)
=12.5×0.8÷0.2
=10÷0.2
=50
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