Question

am nevoie de ajutor ex3 ​

Answer 1

1. 6×12= 6×10+6×2=60+12=72

2.3×17= 3×10+3×7=30+21=51

3.9×13=9×10+9×3=90+27=117

4.4×15=4×10+4×5=40+20=60

5.5×16=5×10+5×6=50+30=80

6.19×5=10×5+9×5=50+45=95

7.11×7=10×7+7×1=70+7=77

8.13×8=10×8+3×8=80+24=104

Mult succes în continuare!!♡