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Tìm x
a. x + 6734 = 3478 + 5782
b. 2054 + x = 4725 - 279
c. x - 3254 = 237 x 145
d. 124 - x = 44658 : 54
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\(a)\)\(x+6734=3478+5782\)
\(x+6734=9260\)
\(x=9260-6734\)
\(x=2526\)
\(b)\)\(2054+x=4725-279\)
\(2054+x=4446\)
\(x=4446-2054\)
\(x=2392\)
\(c)\)\(x-3254=237\times145\)
\(x-3254=34365\)
\(x=34365+3254\)
\(x=37619\)
\(d)\)\(124-x=44658\div54\)
\(124-x=827\)
\(x=124-827\)
\(x=-703\)
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a ) P = 1496 : ( 213 - 145 ) + 237
P = 1496 : 68 + 237
P = 22 + 237
P = 259
b ) 373 = 1496 : ( 213 - x ) + 237
1496 : ( 213 - x ) = 373 - 237
1496 : ( 213 - x ) = 136
213 - x = 1496 : 136
213 - x = 11
x = 213 - 11
x = 202
Bạn ơi k giùm mk nha! ^_^
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Bài 1 : \(\frac{1}{2}+X.\frac{3}{4}=2\Rightarrow X.\frac{3}{4}=2-\frac{1}{2}=\frac{3}{2}\)
\(\Rightarrow X=\frac{3}{2}:\frac{3}{4}=\frac{3}{2}.\frac{4}{3}=2\)
bài 3: a) =3241+6759+754+1246=10000+2000=12000
b) =9875+125+2141+1859=10000+4000=14000
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a)
1496:(213-145)+237
=1496:68+237
=22+237
=259.
b)
1496:(213-X)+237=373
1496:(213-X) =373-237
1496:(213-X) =136
213-X =1496:136
213-X =11
X =213-11
X =202.
Giải:
P=1496:(213-x)+237
373=1496:(213-x)+237
1496:(213-x)=373-237
1496:(213-x)=136
213-x=1496:136
213-x=11
x=213-11
x=202
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p = 1496: (213 : \(x\)) + 237 khi \(x=145\)
khi \(x=145\) ta có: p = 1496: (213 : 145) + 237
p = 1496 : \(\dfrac{213}{145}\) + 237
p = 1496 \(\times\) \(\dfrac{145}{213}\) +
p = \(\dfrac{216920}{213}\) + \(\dfrac{50481}{213}\)
p = \(\dfrac{2674101}{213}\)
Vậy p = \(\dfrac{267401}{213}\)
b; P = 1496 : (213 : \(x\)) + 237 tìm \(x\) khi p = 375
1496 : (213 : \(x\)) + 237 = 375
1496 : (213 : \(x\)) = 375 - 237
1496 : (213 : \(x\)) = 138
213 : \(x\) = 1496 : 138
213 : \(x\) = \(\dfrac{748}{69}\)
\(x\) = 213 : \(\dfrac{748}{69}\)
\(x\) = \(\dfrac{14697}{748}\)
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a. x + 6734 = 3478 + 5782
x + 6734 = 9260
x = 9260 - 6734
x = 2526
Vậy x = 2526
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a. x + 6734 = 3478 + 5782
x + 6734 = 9260
x = 9260 - 6734
x = 2526
b. 2054 + x = 4725 - 279
2054 + x = 4446
x = 4446 - 2054
x = 2392
mấy câu sau bn làm tương tự, tích mik nha
a) x = 891237 - 23234
= 868003
b) x = 61472 + 1254
= 63980
c) x = 286430 - 9765
= 276665
d) x = 67458 - 40355
= 27103
cái này nhìn sai sai á!