34 - 30 = 4
53 - 43 = 10
10 * 4 = 40
ответ: 40
(34 - 30) * (53 - 43) = 40
1) 34-30=4
2) 53-43=10
3) 4*10=40
34 - 30 = 4
53 - 43 = 10
10 * 4 = 40
ответ: 40
(34 - 30) * (53 - 43) = 40
1) 34-30=4
2) 53-43=10
3) 4*10=40