Question

Complete as lacunas para termos uma igualdade:
10 + ____ = 20 ___+ 80 = 120 ___ + 15 = 40

50 + ___ = 70
12 + ___ = 20 10 +___= 40

30 − ____ = 20 ___+ 50 = 80 40 + ___ = 50

40 + ___ = 80
10 + ___ = 70 80 +___= 150

15 + ___ = 60 100 + ___ = 150 60 +___= 120

Answer 1

Resposta:

10 + 10 = 20

40 + 80 = 120

25+ 15 = 40

50 + 20 = 70

12 + 8 = 20

10 + 30= 40

30 − 10 = 20

30 + 50 = 80

40 + 10 = 50

40 + 40 = 80

10 + 60 = 70

80 + 70 = 150

15 + 45 = 60

100 + 50 = 150

60 + 60 = 120