Tìm y:
a) y - 32,15 * 6 = 54,76 b)245,716 - y * 12 = 76,54
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a) y - 32,15 x 6 = 54,76
=> y - 192,9 = 54,76
y = 54,76 + 192,9
y = 247,66
b) 245,716 - y x 12 = 76,54
=> y x 12 = 245,716 - 76,54
y x 12 = 169,176
=> y = 169,176 : 12
y = 14,098
t i c k nhé!! 343576567687879
a, y - 32,15 x 6 = 54,76
y - 192,9 = 54,76
y = 54,76 + 192,9
y = 247,66
Vậy y = 247,66
b, 245,716 - y x 12 = 76,54
y x 12 = 245,716 - 76,54
y x 12 = 169,176
y = 169,176 : 12
y = 14,098
Vậy y = 14,098
245,716- y*12=76,54
y*12=245,716-76,54
y*12= 169,176
y = 169,176:12
y = 14,098
y X 12 = 245,716 - 76,54
y X 12 = 169,176
y= 169,176 : 12
y= 84,588
\(a,y\times2,8+5,2\times y=48\\ y\times\left(2,8+5,2\right)=48\\ y\times8=48\\ y=\dfrac{48}{8}=6\\ ---\\ b,y\times12,25-y+y\times2,75=1050\\ y\times\left(12,25-1+2,75\right)=1050\\ y\times14=1050\\ y=\dfrac{1050}{14}=75\)
a: \(y\cdot2,8+y\cdot5,2=48\)
=>\(y\left(2,8+5,2\right)=48\)
=>\(8y=48\)
=>\(y=\dfrac{48}{8}=6\)
b: \(y\cdot12,25-y+y\cdot2,75=1050\)
=>\(y\left(12,25-1+2,75\right)=1050\)
=>\(y\cdot14=1050\)
=>\(y=\dfrac{1050}{14}=75\)
Tìm y:
\(a,y+847\times2=1953-74\\ y+847\times2=1879\\ y+1694=1897\\ y=1897-1694\\ y=185\\ b,y:\left(7\times18\right)=5839+8591\\ y:126=14430\\ y=14430\times126\\ y=1818180.\)
a: =>y-3-(48-48:6-3)=0
=>y-3-48+8+3=0
=>y-40=0
hay y=40
b: =>15x13:(29/3-y)=39
=>29/3-y=5
hay y=14/3
bài2:Tìm y:
a)y+253=1420 b)y-2316=902
y=1420-253 y=902+2316
y=1167 y=3218
bài3:Tính:
2754:9=306 5089:7=727 3675:5=735 2010:6=335
2754x9=24786 5089x7=35623 3675x5=18375 2010x 6=12060
a] y - 32,15 . 6 = 54,76 b] 245,716 - y . 12 = 76,54
y - 192,9 = 54,6 y . 12 = 245,716- 76,54
y = 54,6 + 192,9 [ TSBT ] y . 12 = 169,176
y = 247,5 y = 169,176 : 12 [ TTS ]
y = 14,098
~ Chúc bạn học tốt ~
a, \(y-32,15\times6=54,76\)
\(\Leftrightarrow y-192.9=54,76\)
\(\Leftrightarrow y=54,76+192,9\)
\(\Leftrightarrow\)\(y=247.66\)
Vậy ...
b, \(245,716-y\times12=76,54\)
\(\Leftrightarrow y\times12=245,716-76,54\)
\(\Leftrightarrow y\times12=169,176\)
\(\Leftrightarrow y=169,176\div12\)
\(\Leftrightarrow y=14,098\)
Vậy ...