Question

Допоможіть будь ласка 3 і 5. ​

Answer 1

3). (3- 15/28*1 1/6)*2 2/19;
(3 - 15/28 * 7/6) * 40/19;
(3 - 5/8) * 40/19;
19/8 * 40/19=5.
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5). 1 1/2 * 2 10/13 + 2 3/4 * 2 10/13 - 2 10/13 * 3 1/6;
3/2 * 36/13 + 11/4 * 36/13 - 36/13 * 19/6;
3*18/13 + 11* 9/13 - 6/13 * 19;
54/13 + 99/13-114/13=3.