16.5×7⼀5+16.7÷(5⼀18)怎么简便运算

16.5×7/5+16.7÷(5/18)怎么简便运算
2024-12-30 20:22:41
推荐回答(1个)
回答1:

题打错了还是,如果没打错那就没法简算……

如果两个都是16.5:

解:16.5×7/5+16.5÷(5/18)

=16.5×7/5+16.5×18/5

=16.5×(7/5+18/5)

=16.5×5

=82.5

如果两个都是16.7:

解:16.7×7/5+16.7÷(5/18)

=16.7×7/5+16.7×18/5

=16.7×(7/5+18/5)

=16.7×5

=83.5