54乘3.8加2.7乘24的脱式,简便算法。

2024-12-03 20:58:04
推荐回答(2个)
回答1:

54乘3.8加2.7乘24
=27×2×3.8+2.7×10×2.4
=27×(2×3.8+2.4)
=27×10
=270

回答2:

54X3.8+2.7X24
=205.2+64.8
=270

手打不易,望采纳!谢谢!!