六点7×2点34-3点4×0点六七的简便计算?

2025-01-31 21:19:55
推荐回答(3个)
回答(1):

6.7×2.34-3.4×0.67
=6.7×2.34-0.34×6.7 (变一变,就简便)
=6.7×(2.34-0.34)
=6.7×2
=13.4

回答(2):

6.7×2.34-3.4×0.67
=6.7×2.34-0.34×6.7
=6.7×(2.34-0.34)
=6.7×2
=13.4

回答(3):

6.7×2.34-3.4×0.67
=6.7×2.34-0.67×10×0.34
=6.7×(2.34-0.34)
=6.7×2
=13.4