2 ряд и 3 ряд, пж:). Created by Zack123. matematika-ru

2 ряд и 3 ряд, пж:)...

March 2022 1 8 Report

2 ряд и 3 ряд, пж:)

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solnce960 7 2/5-5 7/11+2 3/5-5 7/11= -70
3 7/8-1 5/11

1) 37/5-62/11+13/5-62/11=407-310+143-310=-70/55
55

2)31/8-16/11=341-128 = 213
88 88

3) -70/55:213/88= -70/55*88/213= - 560/1065=- 112/213

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5 1/3 - 8 2/9 - 5 1/3 - 5 2/9 : 4 4/15 - 3 3/4=- 26 2/93

1) 16/3 - 74/9 -16/3 -47/9 = 48/9 - 74/9 - 48/9 -47/9 =-121/9
2) 64/15 - 15/4 = 256/60 -225/60= 31/60
3) -121/9 : 60/ 31= - 2420 /93 =-26 2/93
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7 1/2-3 12/35+ 7 1/2 -1 23/35 : 4 2/7-1 3/4= 3 67,71

1) 15/2 -117/35+15/2-58/35= 525-234+525-116/70=700/70=10
2) 30/7-7/4= 120-49/28= 71/28
3) 10*28/71=280/71= 3 67/71
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22 4/9 -6-18 1/3-6 : 4 1/9-2

1) 202/9-55/6-18=1212-495/54=717/54-18=13 15/54-18=-2 39/54
2) 4 1/9-2=2 1/9 =19/9
3) -147/54*9/19= - 1323/1026= -1 297/1026= -1 99/342=- 1 11/38

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