a. x- 15 =20
x =20+15
x = 35
b. 35-x=25
x= 35-15
x= 20
Tick mk nha ky ky de thuong
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a. x- 15 =20
x =20+15
x = 35
b. 35-x=25
x= 35-15
x= 20
Tick mk nha ky ky de thuong
Tìm x:
a) x + 18 = 50
b) x – 35 = 25
c) 60 – x = 27
Tìm x:
a) x − 3 = 9
b) x − 8 = 16
c) x − 20 = 35
d) x − 5 = 17
c) x − 15 = 27
g) x − 36 = 36
Tìm x:
a)3 X x=15
b)25:x=1
c)4 X x=32
Tìm x
X-27+15=53
X-35=43-14
a, 25 nhân x = x
b, ( x - 15 ) - 75 = 0
c, 114 - ( x - 7 ) = 0
d, 2015 x ( x - 15 ) = 0
e, ( x - 15 ) x 13 =0
Tính:
25 x 35 + 25 x 65=?
kb vs mk nha
Tìm x:
a) x + 8 = 41
b) 6 + x = 50
c) x – 25 = 25
Tìm x:
a) x + 26 = 54
b) 35 + x = 94
c) x – 34 = 12
a)9÷X=3
b)X+25=77
c)67-X=38
d)5×X=35
e)66+X=41+58
g)28+X=30×2
h)54+X=50+50
i)108+X=800+109