а) 14•55+38•35:14•55 = 2•7•5•11 = 77038•35 = 2•19•5•7 = 1330770 + 1330 = 2100
б) 34•35-14•75:34•35 = 2•17•5•7 = 119014•75 = 2•7•5•5 = 7001190 - 700 = 490
в) 75•26+30•35:75•26 = 3•5•5•5•2•13 = 975030•35 = 2•3•5•5•7 = 10509750 + 1050 = 10800
г) 75•38-50•33:75•38 = 3•5•5•5•2•19 = 855050•33 = 2•5•5•3•11 = 16508550 - 1650 = 6900
а) 14•55+38•35:
14•55 = 2•7•5•11 = 770
38•35 = 2•19•5•7 = 1330
770 + 1330 = 2100
б) 34•35-14•75:
34•35 = 2•17•5•7 = 1190
14•75 = 2•7•5•5 = 700
1190 - 700 = 490
в) 75•26+30•35:
75•26 = 3•5•5•5•2•13 = 9750
30•35 = 2•3•5•5•7 = 1050
9750 + 1050 = 10800
г) 75•38-50•33:
75•38 = 3•5•5•5•2•19 = 8550
50•33 = 2•5•5•3•11 = 1650
8550 - 1650 = 6900