Question

27.5x3.7-7.5x3.7简便方法计算

Answer 1

(27.5-7.5)x3.7=20x3.7=144

Answer 2

（27.5-7.5）×3.7

Answer 3

( 27.5-7.5)x3.7

追答

74

Answer 4

=20×3.7
=74

Answer 5

等一下，我马上写出来

追答

 

没问题，希望采纳