3.7x6.5+3.5简便计算

2024-11-22 13:42:24
推荐回答(1个)
回答1:

解:3.7x6.5+3.5

=3.7*(10-3.5)+3.5

=37-3.7*3.5+3.5

=37-2.7*3.5

=37-9.45

=27.55