(7:5/6-81/9)*2 2/5:((3/8+5/6+5/12)*8/25)= по действиям пж. Created by mama9898. matematika-ru

25)= по действиям пж...

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(7:5/6-81/9)*2 2/5:((3/8+5/6+5/12)*8/25)= по действиям пж

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tan4ik3107 (7:5/6-81/9)*2 2/5: ((3/8+5/6+5/12)*8/25)= - 2 10/13

1) 7:5/6= 7 * 6/5= 42/5 = 8 2/5
2) 8 2/5 - 81/9= 8 2/5 - 9 = - 3/5
3) 5/6+5/12= 10/12+5/12= 15/12= 1 3/12= 1 1/4
4) 3/8 + 1 1/4= 3/8 + 1 2/8= 1 5/8
5) - 3/5 * 2 2/5= -3/5 * 12/5 = -36/25
6) 1 5/8 * 8/25 = 13/8 * 8/25= 13/25
7) -36/25 : 13/25= -36/25 * 25/13= -36/13= -2 10/13

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mama9898 October 2021 | 0 Ответы

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