Ответы на вопрос:
1,75 * 7/9 * (0,85 + 4/35) + 7,511 : 3,7 * 10/29 1,75 * 7/9 = 7/4 * 7/9 = 49/36 0,85 + 4/35 = 17/20 + 4/35 = (119 + 16) / 140 = 135/140 = 27/28 49/36 * 27/28 = 1323/1008 7,511 : 3,7 = 2,03 = 2 3/100 = 203/100 203/100 * 10/29 = 7/10 1323/1008 + 7/10 = 2 63/5040
esli v klasse x u4enikov
to budet tak x+x+x/2+x/4+1=100
vsyo umnojayu na 4 wtob izbavitsa ot drobi
4x+4x+2x+x=99*4
11x=99*4
x=9*4=36
otvet 36
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