Question

1 realize calculo mental e complete.
15+____=60
10+____=20
50+_____=70
40+____=80
100+____=150
____+80=120
12+____=20
10+_____=70​

Answer 1

Resposta:

45,10,20,40,50,40,8,60

Explicação passo-a-passo:

15+45=60

10+10=20

50+20=70

40+40=80

100+50=150

40+80=120

12+8=20

10+60=70