(9/22+1 12/33)*1,32-8/13*0,1625=1,34
1)9/22+1 12/33=9/22+1 4/11=9/22+1 8/22=1 17/22
2)1 17/22*1,32=39/22*132/100=39/1*6/100=234/100=2,34
3)8/13*0,1625=8/13*1625/1000=8/13*13/8=1*1=1
4)2,34-1=1,34
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(6 8/15-4 21/45)*4,5-2 1/6:0,52=5 1/6
1)6 8/15-4 21/45=6 8/15-4 7/15=2 1/15
2)2 1/15*4,5=31/15*45/10=31/1*3/10=93/10
3)2 1/6:0,52=13/6:52/100=13/6:13/25=13/6*25/13=1/6*25/1=25/6
4)93/10-25/6=9 3/10-4 1/6=9 9/30-4 5/30=5 5/30=5 1/6
4-|x|=1
4-x=1 или 4+x=1
x=4-1 x=1-4
x=3 x=-3
Ответ: x=-3
X-5,6=3,7×12; x-5,6=44.4; x=50
Ответ:
Пошаговое объяснение:
1)
1) 3 - 1/4 = 2 3/4 = 11/4
2) 1 : 11/4 = 4/11
3) 2 - 4/11 = 1 8/11 = 19/11
4) 1 : 19/11 = 11/19
5) 1 - 11/19 = 8/19
ответ: 8/19
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2)
1) 3 - 1/3 = 2 2/3 = 8/3
2) 1 : 8/3 = 3/8
3) 3 - 3/8 = 2 5/8 = 21/8
4) 1 : 21/8 = 8/21
5) 3 - 8/21 = 2 13/21
ответ: 2 13/21
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3)
1) 1 - 1/3 = 2/3
2) 1 : 2/3 = 3/2
3) 1 + 3/2 = 5/2
4) 1 : 5/2 = 2/5
5) 1 - 2/5 = 3/5
6) 1 : 3/5 = 5/3
7) 1 + 5/3 = 8/3 = 2 2/3
ответ: 2 2/3
X=76000:600
x= 120 (ост. 400) корень уравнения
проверка:
600×126+400=76000
76000=76000