6.25X4.5十4.5X3.75简便

2025-06-24 11:54:32
推荐回答(4个)
回答1:

回答2:

6.25X4.5十4.5X3.75
=4.5X(6.25十3.75)
=4.5×10
=45

回答3:

回答4:

(6.25+3.75)*4.5