Янажимаю диагностика а там пишут: для включение беспроводной связи на компьютере используйте переключатель на передней или боковой панели компьютера или функциональные клавиши. и куда дальше нажимать? на sony виндовс 10
7 3/10+ 25/28 х =8 13/35 25/28 х = 293/35-73/10 25/28 х = 293/35-73/10 25/28 х = (586-511)/70 25/28 х = 75/70 х = (75*28)/(70*25) х = 6/5 = 1 1/5 = 1,2
3 1\3 - 1 1/20 х = 1 14/15 -21/20 х = 29/15-10/3 -21/20 х = (29-50)/15 21/20 х = 21/15 х = (21*20)/(15*21) = 4/3 = 1 1/3
3/8 х + 7/12 х - 5/6 х = 9/32 ((3*3+7*2-5*4)/24) х = 9/32 3/24 х = 9/32 1/8 х = 9/32 х = 9/32 : 1/8 х = (9*8)/(32*1) = 9/4 = 2 1/4 = 2,25
2 1\3 : х - 1 1/6 = 1 5/9 7/3 :х = 14/9 + 7/6 7/3 : х = (28+21)/18 7/3 : х = 49/18 х = 7/3 : 49/18 = (7*18)/(3*49) = 7/7
2 1/3 :( х - 1 1/6) = 1 5/9 7/3 : х - 7/3 : 7/6 = 14/9 7/3 : х - 2 = 14/9 7/3 : х = (14+18)/9 х = 7/3 : 32/9 = (7*9)/(3*32) = 21/32
9х-18=27 15х-10=5 8х-6=14
9х=27+18 15х=10+5 8х=6+14
9х=45 15х=15 8х=20
х=45:9 х=15:15 х=20:8
х=5 х=1 х=2,5
2. 4.
8х+12=20 9х+15=6
8х=20-12 9х=15-6
8х=8 9х=9
х=8:8 х=9:9
х=1 х=1
5 11/14 х=5/21+ 8/15
5 11/14 х= (25+56)/105
81/14 х= 81/105
х = 81/105 :81/14
х= (81*14)/(105*81)
х= 14/105=2/15
7 3/10+ 25/28 х =8 13/35
25/28 х = 293/35-73/10
25/28 х = 293/35-73/10
25/28 х = (586-511)/70
25/28 х = 75/70
х = (75*28)/(70*25)
х = 6/5 = 1 1/5 = 1,2
3 1\3 - 1 1/20 х = 1 14/15
-21/20 х = 29/15-10/3
-21/20 х = (29-50)/15
21/20 х = 21/15
х = (21*20)/(15*21) = 4/3 = 1 1/3
3/8 х + 7/12 х - 5/6 х = 9/32
((3*3+7*2-5*4)/24) х = 9/32
3/24 х = 9/32
1/8 х = 9/32
х = 9/32 : 1/8
х = (9*8)/(32*1) = 9/4 = 2 1/4 = 2,25
2 1\3 : х - 1 1/6 = 1 5/9
7/3 :х = 14/9 + 7/6
7/3 : х = (28+21)/18
7/3 : х = 49/18
х = 7/3 : 49/18 = (7*18)/(3*49) = 7/7
2 1/3 :( х - 1 1/6) = 1 5/9
7/3 : х - 7/3 : 7/6 = 14/9
7/3 : х - 2 = 14/9
7/3 : х = (14+18)/9
х = 7/3 : 32/9 = (7*9)/(3*32) = 21/32