Question

Foloseste înmultirea cu 2, cu 5 sau cu 10.Model: 3×3=2×3+3=6+3=9 . Ex. 1) 6×3=5× ?+3=?. Ex. 2) 8×3=10×?-3-3=?.

Answer 1

1)6*3=5*3+3=18
2)8*3=10*3-3-3=24

Answer 2

1) 6x3=5x3+3=18
2) 8x3=10x3-3-3=24