Question

Все три задания номера 456 457 458

Answer 1

Ответ:

$1)2 \frac{58}{61} + 1 \frac{12}{61} = (2 + 1) + ( \frac{58 + 12}{61} ) = 3 \frac{70}{61} = 4 \frac{9}{61}$

$2)4 \frac{121}{300} + 7 \frac{199}{300} = (4 + 7) + ( \frac{121 + 199}{300} ) = 11 \frac{16}{15} = 12 \frac{1}{15}$

$3)5 \frac{380}{401} + 1 \frac{127}{401} = (5 + 1) + ( \frac{380 + 127}{401} ) = 6 + \frac{507}{401} = 6 + 1 \frac{106}{401}$

$4)4 \frac{253}{540} + 18 \frac{307}{540} = (4 + 18) + ( \frac{253 + 307}{540} ) = 22 + \frac{560}{540} = 23 \frac{20}{540} = 23 \frac{1}{27}$

Answer 2

Ответ:

456( номер)

1) 3 70

61

2) 11 320 = 12 20

300 300

3) 6 507 = 7 107

401 401

4) 22 560 = 23 20

540 540

457( номер)

1) 4 2

9