Question

Реши выражения: (93-27)-(38-19)-28+(94-38); 100-(47-40)-50+5+(11-9)-6;

Answer 1

(93-27)-(38-19)-28+(94-38)
66-19-28+56 = 75

100-(47-40)-50+5+(11-9)-6
100-7-50+5+2-6= 44

Answer 2

(93-27)-(38-19)-28+(94-38)= 75
93-27=66
38-19=19
94-38=56
66-19=47
47-28=19
19+56=75

 100-(47-40)-50+5+(11-9)-6=44
47-40=7
11-9=2
100-7=93
93-50=43
43+5=48
48+2=50
50-6=44