Question

数学应用题,好心人帮我!求~急急急啊~

Answer 1

1.(8.9+1.6)/(10-5)=2.1

2.1*5+1.6=12.1

2.180/2.4/30=2.5

3.(10-2.2*1)/3=2.6

4.(23*1.48+22*1.45)/(23+22)=1.46533333333