16.5×7⼀5-16.7÷18.5怎样简便运算

16.5×7/5-16.7÷18.5怎样简便运算
2025-01-02 18:51:11
推荐回答(1个)
回答1:

16.5×7/5-16.7÷18.5
=16.5×7÷5-167÷185
=16.5÷5×7-167/185
=3.3×7-167/185
=231/10-167/185
=8213/370