Question

Completa cada igualdad.
A. 12 + 9 - ? = 4 + 6
B. 6 x ? = 10 + 20
C. 23 - 11 = 8 + ?
D. 36 + 12 = ? x 12

Answer 1

Explicación paso a paso:

A= ? = 4 + 6 - 12 - 9 = -11

B= ? = 10 + 20 ÷ 6 = 5

C= ? = 23 - 11 - 8 = 4

D= ? = 36 + 12 ÷ 12 = 4