1) 4 5/6 - 2.5 = 29/60 - 25/60 = 2 1/3
2) 2 1/3 * 12 = 28/1 = 28
3 ) 27 * 5/9 = 15/1 = 15
4) 28 - 15 = 13
Как-то так
Хвост. Наверное. Я не уверена
1)6дм>306мм
2)52дм>5м2см
3)472см=47дм2см
4)8м5см<8м3дм
5)305с>3мин5с
6)148мин>1ч48мин
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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