Ответ:
-4
Пошаговое объяснение:
1 )-3 1/7 • (-8) = - 22/7 • (-8/1) = 176/7 = 25 1/7
2) 2,9 : 0,1 = 29 : 1 = 29
3) 11/21 : (- 3 2/3) = 11/21 : (- 11/3) = 11/21 • (-3/11) = - 1/7
4) 25 1/7 - 29 = - ( 28 7/7 - 25 1/7) = - 3 6/7
5) -3 6/7 + (- 1/7) = - (3 6/7 + 1/7) = -4
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Answers & Comments
Ответ:
-4
Пошаговое объяснение:
1 )-3 1/7 • (-8) = - 22/7 • (-8/1) = 176/7 = 25 1/7
2) 2,9 : 0,1 = 29 : 1 = 29
3) 11/21 : (- 3 2/3) = 11/21 : (- 11/3) = 11/21 • (-3/11) = - 1/7
4) 25 1/7 - 29 = - ( 28 7/7 - 25 1/7) = - 3 6/7
5) -3 6/7 + (- 1/7) = - (3 6/7 + 1/7) = -4