1.83乘8.7+18.3乘0.13用简便运算?

2025-04-16 03:01:14
推荐回答(4个)
回答(1):

1.83×8.7+18.3×0.13
=1.83×8.7+1.83×1.3[此处之前可增加一步=1.83×8.7+1.83×10×0.13]
=1.83×(8.7+1.3)
=1.83×10
=18.3

回答(2):

回答(3):

简便运算
1.83*8.7+18.3*0.13
=18.3*8.7+18.3*1.3
=18.3*(8.7+1.3)
=18.3*10
=183

回答(4):

1.83X8.7+18.3X0.13
=183X0.087+
183X0.013
=183X0.1=18.3