№1 РЕШИТЕ УРАВНЕНИЕ. А)3Х=2 Б)0,1Х=5 В)2\3Х=6 Г)10:Х=100 Д)Х:5=5 № № 2 РЕШИТЕ УРАВНЕНИЕ. А)5Х+10=20 Б)3+0,5Х=6 В)2Х-7=17 Г)3-1\3Х=2 ПОМОГИТЕ ПОЖАЛУЙСТА.
Предмет:
МатематикаАвтор:
jasminecampbellА) 3Х=2 х= 2/3
Б) 0,1Х=5 х= 5 : 0,1 х = 50
В) 2\3Х=6 х= 6 : 2/3 х=6 * 3/2 х=9
Г)10:Х=100 х= 100*10 х=1000
Д)Х:5=5 х=5*5 х=25
А)5Х+10=20 х= (20-10) :5 х= 2
Б)3+0,5Х=6 х=( 6 - 3) :0,5 х = 6
В)2Х-7=17 х = (17 + 7 ) :2 х= 12
Г)3-1\3Х=2 1/3 х = 3-2 х = 1: 1/3 х = 3
Автор:
pixieyesmА)3Х=2
х=2/3
Б)0,1Х=5
х=5:0,1
х=50
В)2\3Х=6
х=6:2/3
х=18/2=9
Г)10:Х=100
х=10:100
х=0,1
Д)Х:5=5
х=5*5
х=25 № № 2
А)5Х+10=20
5х=20-10
х=10:5
х=2
Б)3+0,5Х=6
0,5Х=6-3
х=3:0,5
х=6
В)2Х-7=17
2х=24
х=12
Г)3-1\3Х=2
3-2=1\3Х
1/3х=1
х=1:1/3
х=3
Автор:
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