Автор - lulu198011pbnoys
1) 92-19 = 73
92-28 = 64
92-47 = 45
92-36 = 56
92-55 = 37
2) 66-19-28+56=47-28+56=19+56=75
100-7-50+5+2-6=93-50+5+2-6=43+5+2-6=48+2-6=50-6=44
3)периметр равен 1+6+1+6=14
Ответ:
1) 92-19 = 73
92-28 = 64
92-47 = 45
92-36 = 56
92-55 = 37
2)(93-27)-(38-19)-28+(94-38)=66-19-38+56=65
100-(47-40)-50+5+(11-9)-6=100-7-50+5+2-6=44
3) P= (1+6)•2=14см