54.58-3.76+3.58-5.24怎样简便计算?

如题所述

54.58-3.76+3.58-5.24
=(54.5+3.5)+(0.08+0.08)-(3.76+5.24)
=58+0.16-9
=49.16
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第1个回答  2020-08-28
=54.58-(3.76+5.24)+3.58
=54.58-9+3.58
=45.58+3.58
=49.16