236-5.(x-8)=36
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a/\(x\times5+122+236=633\)
\(x\times5=633-236-122\)
\(x\times5=275\)
\(x=275:5\)
\(x=55\)
b/\(\left(x:12\right)\times7+8=36\)
\(\left(x:12\right)\times7=36-8\)
\(\left(x:12\right)\times7=28\)
\(x:12=28:7\)
\(x:12=4\)
\(x=4\times12\)
\(x=48\)
x . 5 + 122 + 236 = 633
x . 5 + 358 = 633
x . 5 = 633 - 358
x . 5 = 275
x = 275 : 5
x = 55
b) (x : 12) . 7 + 8 = 36
(x : 12) . 7 = 36 - 8
(x : 12) . 7 = 28
x : 12 = 28 : 7
x : 12 = 4
x = 4 . 12
x = 48
#Học tốt!!!
X x 5 + 122 + 236 = 633
X x 5 + 122 = 633 - 236
X x 5 + 122 = 397
X x 5 = 397 - 122
X x 5 = 275
X = 275 : 5
X = 55
(X : 12) x 7 + 8 = 36
(X : 12) x 7 = 36 - 8
(X : 12) x 7 = 28
X : 12 = 28 : 7
X : 12 = 4
X = 12 : 4
X = 3
\(\Leftrightarrow236-5\left(x-8\right)=36\\ \Leftrightarrow5\left(x-8\right)=200\\ \Leftrightarrow x-8=40\\ \Leftrightarrow x=48\)
x:(1245+64-35+26)=100
x:1300=100
x=130000
b,x*(236-36)=2000
x*200=2000
x=2000:200
x=10
**** nha bạn phương Chi
a/
1245:x+64:x-35:x+26:x=100
=>(1245+64-35+26):x=100
=>1300:x=100
=>x=1300:100
=>x=13
236*x-x*36=2000
=>x*(236-36)=2000
=>x*200=2000
=>x=2000:200
=>x=10
a,=235.(64+36)=235.100=23500
b,=376.(236-136)=376.100=37600
c,=459.(99+1)=459.100=45900
d,=567.(125-25)=567.100=56700
98775 - 32 x 85
=98775 -2720
=96055
67500 - 24 x 236
= 67500 -5664
=61836
568 + 101598 : 287
= 568 +354
=922
6875 + 980 -180
=7855 -180
=7675
\(\dfrac{2}{5}+\dfrac{3}{10}-\dfrac{1}{2}\)
\(=\dfrac{7}{10}-\dfrac{1}{2}\)
= \(\dfrac{1}{5}\)
\(\dfrac{8}{11}+\dfrac{8}{33}x\dfrac{3}{4}\)
\(=\dfrac{8}{11}+\dfrac{2}{11}\)
\(=\dfrac{10}{11}\)
\(\dfrac{7}{9}x\dfrac{3}{14}:\dfrac{5}{8}\)
\(=\dfrac{1}{6}:\dfrac{5}{8}\)
\(=\dfrac{1}{6}x\dfrac{8}{5}\)
\(=\dfrac{8}{30}\)
\(=\dfrac{4}{15}\)
\(\dfrac{5}{12}-\dfrac{7}{32}:\dfrac{21}{16}\)
\(=\dfrac{5}{12}-\dfrac{7}{32}x\dfrac{16}{21}\)
\(=\dfrac{5}{12}-\dfrac{1}{6}\)
\(=\dfrac{5}{12}-\dfrac{2}{12}\)
\(=\dfrac{3}{12}=\dfrac{1}{4}\)
X x 5 + 122 + 236 = 663
X x 5 = 663 -122 - 236
X x 5 = 305
X = 305 : 5
X = 61
Học tốt nhé bạn ~
X x 5 + 122 + 236 = 663 X x 5
= 663 -122 - 236 X x 5
= 305 X
= 305 : 5 X
= 61
[ x-236×6]×8=936-
x-236×6 =936:8
x-236×6. = 117
\(236-5\left(x-8\right)=36\)
\(5\left(x-8\right)=236-36\)
\(5\left(x-8\right)=200\)
\(x-8=200:5\)
\(x-8=40\)
\(x=40+8\)
\(x=48\)
@Bảo
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