12.5x16答案脱式计算?

2024-11-22 21:47:09
推荐回答(3个)
回答(1):

简使算法:
12.5x16
=12.5x8×2
=100×2
=200

回答(2):

12.5×16
=12.5×8×2
=100×2
=200

回答(3):

12.5×(10+2+2+2)
=125+25+25+25
=150+50
=200