tìm x biết 890:x=35 dư 15
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Tham Khảo:
https://olm.vn/hoi-dap/detail/20026618616.html
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a, 890:x=35 dư 15
=> 890=35x+15
890-15=35x
875=35x
875:35=x
x=25
b, 648-34x=444
34x=648-444
34x=204
x=204:34
x=6
c, 1482:x+23=80
1482:x=80-23
1482:x=57
x=1482:57
x=26
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Lời giải:
$890=x\times 35+15$
$890-15=x\times 35$
$875=x\times 35$
$x=875:35=25$
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vi 890 : x = 35 du 15
nen 890 : x = 35 +15 hay 890 : x = 50
vay x = 890 : 50
x = 17.8
Ta có: 890:x=35 [dư 15]
[890-15] :x=35
875 : x = 35
x = 875:35
x = 25
Cho mình
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\(890:x=35\left(dư15\right)\)
\(\Rightarrow x=\frac{\left(890-15\right)}{35}=25\)
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Ta có: \(890:x=35\) (dư 15)
\(\Rightarrow\left(890-15\right):35=x\)
\(\Rightarrow875:35=x\)
\(\Rightarrow x=25\)
Vậy x = 25
890 : x = 35 dư 15
890 = 35x + 15
890 - 15 = 35x
875 = 35x
875 : 35 = x
=> x = 25