Question

Calculează prin adunare repetata 3×3; 2×5; 6×3; 5×5; 6×6; 7×6; 5×9; 8×6

Answer 1

Răspuns:

3x3=3+3+3=9

2x5=2+2+2+2+2=10

6x3=6+6+6=18

5x5=5+5+5+5+5=25

6x6=6+6+6+6+6+6=36

7x6=7+7+7+7+7+7=42

5x9=5+5+5+5+5+5+5+5+5=45

8x6=8+8+8+8+8+8=48

Answer 2

Răspuns:

3×3=9

3+3+3=9

2×5=10

2+2+2+2+2=10

6×3=18

6+6+6=18

5×5=25

5+5+5+5+5=25

6×6=36

6+6+6+6+6+6=36

7×6=42

7+7+7+7+7+7=42

5×9=45

5+5+5+5+5+5+5+5+5=45

8×6=48

8+8+8+8+8+8=48