Question

-1целая11/17×(-12целых3/4)
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Answer 1

Ответ:

$- 1 \frac{11}{17} \times (- 12 \frac{3}{4} ) = - \frac{28}{17} \times ( - \frac{51}{4} ) = \frac{28 \times 51}{17 \times 4} = 7 \times 3 = 21$

Answer 2

Пошаговое объяснение:

-1 11/17×(-12 3/4)= - 28/17×(-51/4)=

=7×3=21