53.6-9.81+0.19用简便计算怎么算?

2025-04-07 23:49:07
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回答1:

53.6-9.81+0.19用简便计算怎么算?
=53.6-10+(0.19+0.19)
=53.6-10+0.38
=43.6+0.38
=43.98