Question

найдите число 67% которого равно (4/7х5/3)-(4/7х4/3)

Answer 1

(4/7х5/3)-(4/7х4/3)=4/7(5/3-4/3)=4/7*1/3=4/21

4/21: 67*100=4/21*1/67*100=400/1407

Answer 2

(4/7х5/3)-(4/7х4/3)=4/7(5/3-4/3)=4/7*1/3=4/21

4/21: 67*100=4/21*1/67*100=400/1407