1)-6 1/8: (-7/9)=49/8*9/7=63/8=7 7/8
-2 11/14*1 8/13=-39/14*21/13=-9/2=-4 1/2
3,63:(0,22)=-16, 5
7 7/8-4 1/2=7,875-4,5=3,375
3,375-16,5=-13,125
2)2a-1,2-5,2+a=3a-6,4=3*2/3-6,4=2-6,4=-4,4
28m-10n-2,1n-2/3m=82/3m-12,1n=82/3*6/41-12,1*0,1=4-1,21=2,79
0,7 = 7/10
5/6 -0,7 -5/42 -0,7 -1/3 -0,7- <span>4/7 -0,7 =
</span>5/6 - 7/10 - 5/42 - 7/10 - 1/3 - 7/10 - 4/7 - 7/10 =
5/6 - 5/42 - 1/3 - 4/7 - 7/10 - 7/10 - 7/10 - 7/10 =
35/42 - 5/42 - 7/21 - 12/21 - 28/10 =
30/42 - 19/21 - 28/10 =
15/21 - 19/21 - 14/5 =
-4/21 - 14/5 =
-20/105 - 294/105 =
-314/105
6+5+5+3+5+4+5+6+7+4+5+3=58
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Животное | Рост | Масса |
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Страус | 2м 80см | 90кг |
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Пингвин | 1м 20cм | 45кг |
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