Question

Calculează, după model: ​

Answer 1

Răspuns:

1. 5×(30+4)=5×30+5×4=150+20=170

2. 6×(20+7)=6×20+6×7=120+42=162

3. 4×(60+7)=4×60+4×7=240+28=268

4. 8×(10+5)=8×10+8×5=80+40=120

5. 7×(80+8)=7×80+7×8=560+56=616

6. 9×(30+5)=9×30+9×5=270+45=315

Sper ca te-am ajutat!!