Question

(7 1/4 - 6 7/18)* 7.2 + 2.8 решите

Answer 1

7 1/4 - 6 7/18=13/18
13/18*7,2=5,2+2,8=8

Answer 2

1) (7-6)+(14-78)=1+(836-2836)=4436-2836=1636
2)  7.2+2.8=10
3)1636*10=4 49