Question

помогите решить пж)
8 3/17 * 5 1/4 + 3 14/17 * 5 1/4=
3 4/13 * 15 3/41 - 3 4/13 * 2 3/41=

Answer 1

8 3/17 * 5 1/4 + 3 14/17 * 5 1/4 = 5 1/4 * ( 8 3/17 + 3 14/17 ) = 5 1/4 * 12 = 21/4 * 12 = 21 * 3 = 63
 Ответ 63 
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3 4/13 * 15 3/41 - 3 4/13 * 2 3/41 = 3 4/13 * ( 15 3/41 - 2 3/41 ) = 3 4/13 * 13 = 43/13 * 13 = 43
Ответ 43

Answer 2

спс)