Question

de cate ori e mai mic 7 decat diferenta numerelor 27 si 13, 86 si 16, 68 si 19, 49si 14,45 si 24?

Answer 1

27-13=14
14:7=2

86-16=70
70:7=10

68-19=49
49:7=7

49-14=35
35:7=5

45-24=21
21:7=3

Answer 2

(27-13):x=7
14:x=7
x=14:7
x=2
(86-16):x=7
70:x=7
x=70:7
x=10
(68-19):x=7
49:x=7
x=49:7
x=7
(49-14):x=7
35:x=7
x=35:7
x=5
(45-24):x=7
21:x=7
x=21:7
x=3