Помогите задание 3 сравнение

144-y-54=37
90-y=37
y=90-37
y=53

52+ y+87=159
139+y=159
y=159-139
y=20

<span>24:4=6 м отрезали во второй раз
24+6+20=50 м ткани было в рулоне
24:4+24+20=50 м .</span>

Эта задача с косвенным вопросом, значит если меньше на 6 то значит больше на 6
Решение:
40+6=46 (авт) осталось на стоянке

1)24+18=42                                                                                                              2)82-58=24                                                                                                               3)42/7=6                                                                                                                  4)0*24=0                                                                                                                   5)16*3=48                                                                                                                 6)6-0=6                                                                                                                    7)6+48=54                                                                                                                                                                                                                                                                                                                                                                              1)96-89=7                                                                                                                 2)7*4=28                                                                                                                  3)28+6=34                                                                                                               4)21/7=3                                                                                                                   5)34*2=68                                                                                                                6)56/56=1                                                                                                                7)3+68=71                                                                                                               8)71-1=70