Question

35.7×89+35.7×12-35.7怎么简便计算？

Answer 1

35.7×89十35.7X12一35.7
二35.7X（89十12一1）
二35.7x[89十（12一1）]
二35.7x100
二3570

Answer 2

35.7×89+35.7×12-35.7
=35.7×89+35.7×12-35.7×1
=35.7×(89+12-1)
=35.7×100
=3570

Answer 3

35.7x89+35.7x12-35.7
=35.7x(89+12-1)
=35.7x100
=3570

Answer 4

直接提取公因式，原式=35.7×(89+12-1)=35.7×100=3570。

Answer 5

35.7ⅹ89+35.7x12-35.7
=35.7x（89+12-1）
=35.7x100
=3570