6.8+ 2.5×6.8×4用简便算法怎么算?

2025-02-02 03:48:12
推荐回答(2个)
回答1:

6.8+ 2.5×6.8×4
=6.8+6.8×10
=6.8+68
=74.8

回答2:

6.8+ 2.5×6.8×4
=6.8+10x6.8
=6.8+68
=74.8