Răspuns :

Răspuns:

5×7=35

8×3=24

6×9=56

2×6=12

9×10=90

8×9=72

8×4=32

10×5=50

Răspuns:

5x(5+2)=5x7=35

(5x5)+(5x2)=25+10=35

8x(6-3)=8x3=24

(8x6)-(8x3)=48-24=24

(2+4)x9=6x9=54

(2x9)+(4x9)=18+36=54

(5-3)X6=2x6=12

(5x6)-(3x6)=30-18=12

(3+2+4)x10=9x10=90

(3x10)+(2x10)+(4x10)=30+20+40=90

(5+1+2)x9=8x9=72

(5x9)+(1x9)+(2x9)=45+9+18=72

8x(7-3)=8x4=32

(8x7)-(8x3)=56-24=32

10x(4+3-2)=10x5=50

(10x4)+(10x3)-(10x2)=40+30-20=70-20=50