Ответ:
1-В
2-Б
3-Г
Объяснение:
1) -1/7*(-35)*14/35 = 1/7*35*14/35 = 1/7*14 = 2
2) -26*2/29-4*2/29+2/29 = -52/29-8/29+2/29 = -2
3) -5(3-1 6/7)+2(1 6/7-1) = -5(3-13/7)+2(13/7-1) = -5*8/7+2*6/7 = -40/7+12/7 = -4
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Answers & Comments
Ответ:
1-В
2-Б
3-Г
Объяснение:
1) -1/7*(-35)*14/35 = 1/7*35*14/35 = 1/7*14 = 2
2) -26*2/29-4*2/29+2/29 = -52/29-8/29+2/29 = -2
3) -5(3-1 6/7)+2(1 6/7-1) = -5(3-13/7)+2(13/7-1) = -5*8/7+2*6/7 = -40/7+12/7 = -4