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1)...=135+65+360+40+24=200+400+24=624
2)...=(8.125).(4.25)=1000.100=100000
4)...= (467+433)+(238+762)+3465=990+1000+3465=5455
5)...=129.(172-73+1)=129.100=12900
6)...=205-(1200-(16-6)3):40=205-(1200-1000):40=205-200:40=205-5=200
\(\left(x+32\right)-17=52:4\)
\(\left(x+32\right)-17=13\)
\(\left(x+32\right)=13+17\)
\(x+32=30\)
\(x=30-32\)
\(x=-2\)
Vậy x=\(-2\)
(χ+32)-17 =52:4
(x+32)-17=13
(x+32)=13+17
x+32=30
x=30-32
x=−2
Vậy x=
\(=321-21\cdot\left[2\cdot27+256:32-52\right]\)
\(=321-21\cdot10=321-210=111\)
\(71-\left(33+x\right)=26\\ \left(33+x\right)=71-26\\ \left(33+x\right)=45\\ x=45-33\\ x=12\)
a) 2(x-51)=2.23+20 b)32(x+4)-52=5.52
2(x-51)=2.8+20 9(x+4)-25=125
2(x-51)=36 9(x+4)=125+25
x-51=36:2 9(x+4)=150
x-51=18 x+4= 150:9
x=18+51 x+4=50/9
x=69 x=14/9
Vậy:x=69 Vậy:x=14/9
Mik sai thì thôi nha!!!!
a) 2(x-51)=2.23+20 b)32(x+4)-52=5.52
2(x-51)=2.8+20 9(x+4)-25=125
2(x-51)=36 9(x+4)=125+25
x-51=36:2 9(x+4)=150
x-51=18 x+4= 150:9
x=18+51 x+4=50/9
x=69 x=4/9
Vậy:x=69 Vậy:x=4/9
\(5x+2x\cdot\left(2^3\cdot5-3^2\cdot4\right)+5^2=4^3\)
\(\Rightarrow5x+2x\cdot\left(8\cdot5-9\cdot4\right)+25=64\)
\(\Rightarrow5x+2x\cdot\left(40-36\right)=64-25\)
\(\Rightarrow5x+2x\cdot4=39\)
\(\Rightarrow5x+8x=39\)
\(\Rightarrow x\cdot\left(5+8\right)=39\)
\(\Rightarrow13x=39\)
\(\Rightarrow x=\dfrac{39}{13}\)
\(\Rightarrow x=3\)
Vậy: ...
\(3.\left[\left(4-2\right)^2.X+5.2^3\right]-2^3.3=72\\ \Leftrightarrow3.\left[2^2.X+40\right]-24=72\\ \Leftrightarrow3.\left[4X+40\right]=72+24=96\\ \Leftrightarrow4X+40=\dfrac{96}{3}=32\\ \Leftrightarrow4X=32-40=-8\\ Vậy:X=\dfrac{-8}{4}=-2\)
\(3^2\left(x+4\right)-5^2=5\cdot2^2\\ 9\left(x+4\right)-25=20\\ 9\left(x+4\right)=20+25\\ 9\left(x+4\right)=45\\ x+4=45:9\\ x+4=5\\ x=5-4\\ x=1\)
`3^2 . (x+4)-5^2 = 5.2^3`
`9.(x+4)-25=5.8`
`9.(x+4)-25=40`
`9.(x+4)=40+25`
`9.(x+4)=65`
`x+4=65:9`
`x+4=65/9`
`x=65/9 - 4`
`x=65/9 - 36/9`
`x=29/9`
Vậy `x=29/9`
32 (x+4) = 5x8 +25
32 (x+4) =65
x+4=65/9
x=29/9