Question

подскажите пож по матем

Answer 1

x=750:5



x=150
750:150=5
x=69:23
x=3
23•3=69

Answer 2

$1)x div 5 = 19 \ x = 19 times 5 \ x = 95 \ 2)750 div x = 5 \ x = 750 div 5 \ x = 150 \ 3)23 times x = 69 \ x = 69 div 23 \ x = 3$
вот держи............