Question

2.вычисли удобным способом
$13 \times 3 \\ 12 \times 4 \\ (5 + 2) \times 60 \\ (14 + 6) \times 2 > \\ 13 \times 30 \ \\ (40 + 20) \times 2 \\ (22 + 8) \times 3 \\ 12 \times 40 \\ (40 + 20) \times 2 \\ (22 + 8) \times 3 \\ 12 \times 40 \\ 2 \times 40 \\ (20 + 4) \times 2$
$(31 + 19) \times 20 \\ 130 \times 2 \\ 410 \times 2$


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Answer 1

Ответ:

13×3=36

12×4=48

(5+2)×60=125

(14+6)×2=26