Question

数学应用计算,1.115分之130+3分之18=?2.小丽计划三天看完一本书,第一天看完全书7分之二,第二天看了全书的5

Answer 1

1.

130/115+18/3

=26/23+6

=(26+23*6)/23

=164/23

2.

1-2/7-3/5

=35/35-10/35-21/35

=4/35

3.

4200(1+1/100)

=4200*101/100

=4242(元)

4242*120*(1+3/200)

=516675又3/5元.

4.

(6*2/5)/(3/7)

=28/5

5.

(16/5)/(4/3)/(1/5)=12(米)