Question

3 Calculează conform indicației.
2 x 18 6 x 12
Indicatie: 2 x 18 = 2 × 10 + 2 8
3 x 17 9 x 13
10 + 8
4 x 15 5 x 16
19 x 5
11 x 7
13 x 8
18 x 4
19 x 2
14 x 6

Answer 1

Răspuns:

3×17=3×10+7×7

4×15=4×10+4×5

6×12=6×10+6×2

9×13=9×10+9×3

5×16=5×10+5×6

19×5=10×5+9×5

11×7=10×7+1×7

13×8=10×8+3×8

18×4=10×4+8×4

19×2=10×2+9×2

14×6=10×6+4×5

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