3.42x5.7+3+2x0.43怎样简便计算

2025-06-21 20:49:16
推荐回答(2个)
回答1:

3.42x5.7+3+2x0.43
=3.42x5.7+34.2x0.43
=3.42*(5.7+4.3)
=3.42*10
=34.2

回答2:

按顺序计算