Представьте проценты в виде обыкновенной и десятичной дроби.
1) 36% -0,36
2) 45% 3) 60% 4) 15%
100 4
5) 10% 6) 56% 7) 80%
1) 36% -0,36
2) 45% 3) 60% 4) 15%
100 4
5) 10% 6) 56% 7) 80%
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Решение:
1 % = 1/100 = 0,01, поэтому
1) 36% = 36/100 = 9/25;
36% = 0,36.
2) 45% = 45/100 = 9/20;
45% = 0,45.
3) 60% = 60/100 = 3/5;
60% = 0,60 = 0,6.
4) 15% = 15/100 = 3/20;
15% = 0,15.
(100 4 - ?)
5) 10% = 10/100 = 1/10;
10% = 0.10 = 0,1.
6) 56% = 56/100 = 14/25;
56% = 0,56.
7) 80% = 80/100 = 4/5;
80% = 0.80 = 0,8.