102×8点五的简便运算?

2025-02-26 13:30:54
推荐回答(2个)
回答1:

102×8.5
=(100+2)×8.5
=100×8.5+2×8.5
=850+17
=867

回答2:

102x8.5
=100x8.5+2x8.5
=850+17
=867