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a) x + 26 = 32
x = 32 - 26
x = 6
b) 30 - x = 10
x = 30 - 10
x = 20
\(a,x+26=32\\ x=32-26\\ x=6\)
\(b,30-x=10\\ x=30-10\\ x=20\)
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30 + 30 * 20 + 30 * 10
= 30 * 1 + 30 * 20 + 30 * 10
= 30 * ( 1 + 20 + 10 )
= 30 * 31
= 930
30 + 30 x20 + 30 x 10
= 30 x 1 + 30 x 20 + 30 x 10
= 30 x ( 1 + 20 + 10 )
= 30 x 31
= 930
****nha
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a) 253+10x4=253+40=293
b) 41x5-100=205-100=105
c) 93-48:8=93-6=87
d) 500+6x7=500+42=542
e) 30x8+50=240+50=290
g) 69+20x4=69+80=149
253 + 10 x 4
41 x 5 - 100
93 - 48 : 8
500 + 6 x 7
30 x 8 + 50
69 + 20 x 4
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125 -85+80 = 120 ; 21 nhan 2 nhan 4 = 168 ; 68 + 32 -10 = 90 ; 147 : 7 nhan 6 = 126 ; 375 - 10 nhan 3 = 345 ; 64 :8 + 30 = 38
Tính giá trị biểu thức:
125 - 85 + 80
21 x 2 x 4
68 + 32 - 10
147 : 7 x 6
375 - 10 x 3
64 : 8 + 30
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x +10= 4 x 5
x + 10 = 20
x = 20 - 10
x = 10
Mk nhanh nhất đó
Đúng 100%
Tk mk nha , mk tk lại
Cảm ơn bạn nhiều
Thank you very much
( ^ _ ^ )
Tìm x :
x + 10 = 4 x 5
x + 10 = 20
x = 20 - 10
x = 10
K mk nha
Mk k lại
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a) 32 : x = 4 b) x x 5 = 30
x = 32 : 4 (0,5đ) x = 30 : 5 (0,5đ)
x = 8 (0,5đ) x = 6 (0,5đ)
x - 4 +10 =30
x - 4=30 -10
x - 4 = 20
x=20+4
x=24
x - 4 + 10 = 30
x - 4 = 30 - 10
x - 4 = 20
x = 20 + 4 x = 24 HT