Răspuns :

Marioara66543id

Răspuns:

1. (9+3):3=12:3=4

(9:3)+(3:3)=3+1=4

(12+4):2=8

(12:2)+(2:2)=6+1=7

(18+6):3=24:3=8

(18:3)+(6:3)=6+2=8

(28+21):7=49:7=7

(28:7)+(21:7)=4+3=7

Răspuns:

ex3 54:6=9 72:8=9 40:5=8 63÷9=7

9:3=3 9:9=1 8+7=15

3:1=3 15:3=5

36:4=9 27:9=3

9+3=12

12÷2=6

6÷3=2

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