<u />Вот удачи получайте пятёрки !!!
33-18=15
-18-15=-33
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3 < X < 10
х = 4, 5, 6, 7 , 8, 9
1.
23% = 23/100
50% = 1/2
<span>75% = 3/4
60% = 6/10 = 3/5
79% = 79/100
40% = 4/10 = 2/5
25% = 1/4
90% = 9/10
2.
7%
73%
3.
1/4 = 25%
25% < 37%
37% - больше
4.
(5/7)*70 = 50
(4/5)* 100 = 80
(3/5) *15 = 9
(3/10)*(1/10) = 3/100
5.
100%-54% = 46%
6.
400*0.15 = 60
7. 1)50*0.2 = 10
2) 50*0.2 + 50 = 60
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