240 - 10
100 - Х Х = 100х10
240= 4,16 %
240- 50= 190
190 - 10
100 - Х Х= 100х10
190= 5,26%
Ответ:
сначало получается 4.16% от всего потом 5.26%
<span>12.25*122.6 = 1.225*1226
</span><span>12.26*1.227 < 122.6*12.27
</span>
<span>122.7*122.8 > 1.227*1.228
</span>
<span>1.228*122.9 < 1.228*1229</span>
4 2/3 * 6 - 2 23/42 * 3 1/13 + 2 1/8 * 1 29/51 = 23 45/91
1) 4 2/3 * 6 = 14/3 * 6 = 28
2) 2 23/42 * 3 1/13 = 107/42 * 40/13 = 2140/273 = 7 229/273
3) 2 1/8 * 1 29/51 = 17/8 * 80/51 = 10/3 = 3 1/3
4) 28 - 7 229/273 = 27 273/273 - 7 229/273 = 20 44/273
5) 20 44/273 + 3 1/3 = 20 44/273 + 3 91/273 = 23 135/273 = 23 45/91
(5 3/10 - 3 4/5 * 13/38) * 5/84 + 2 1/12 * 4/15 = 50/63
1) 3 4/5 * 13/38 = 19/5 * 13/38 = 13/10 = 1 3/10
2) 5 3/10 - 1 3/10 = 4
3) 4 * 5/84 = 20/84 = 5/21
4) 2 1/12 * 4/15 = 25/12 * 4/15 = 5/9
5) 5/21 + 5/9 = 15/63 + 35/63 = 50/63
1) 48-6=42
Проверка:42+6=48
2) 59+7=66
Проверка:66-7=59
3) 70-4=66
Проверка: 66+4
4) 39+8=47
Проверка: 47-8=39
5) 60-37=23
Проверка: 23+37=60
6) 75-27=48
Проверка: 48+27=75
10 см,100 cм
ответ 10 см,100 cм