Question

Calculează.
+ 2 x
= 4 + 6 = 10
(2 + 3) x 2 = 2 x
(4+5) x 3
X 3 =
(7 + 2) 4 =​

Answer 1

Explicație pas cu pas:

2x=4+6=10

x=10:2

x=5

(2+3)×2=2x

5×2=2x

10=2x

x=5

(4+5)×3=3x

27=3x

x=9

(7+2)×4=

9×4=36