Question

7a+7b=
ab-ac=
10xy-15x=
14a-21b=
37×43-37×57=
Vă rog repede ​

Answer 1

Răspuns:

a)

$7(a + b)$

b)

$a \times (b - c)$

c)

$5x \times (2y - 3)$

d)

$7(2a - 3b)$

e)

$1591 - 2109 =$

$- 518$

Sper că te-am ajutat!