Question

2. Efectuează după model:
​

Answer 1

a) 36+4=

6+4=10

30+10=40

75+5=

5+5=10

70+10=80

48+2=

8+2=10

40+10=50

b)

46+29

40+20=60

6+9=15

60+15=75

55+36

50+30=80

5+6=11

80+11=91

67+19

60+10=70

9+7=16

70+16=86