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4,25 x 57,43 - 325 + 42,75 x 4,25
= 4,25 x 57,43 + 42,75 x 4,25 - 325
= 4,25 x ( 57,43 + 42,75 ) - 325
= 4,25 x 100,18 - 325
= 425,765 - 325
= 100,765
~ Hok T ~
4,25 x 57,43 - 325 + 42.75 x 5,25
=244,0775 - 325 + 181,6875
=-80,9225 + 181,6875
=100.765
chúc bạn học tốt 😎

x : 0,25 + x x 0,25 = 3,4
x : 25/100 + x x 0,25 = 3,4
x x 4 + x x 0,25 = 3,4
x x (4 + 0,25 ) = 3,4
x x 4,25 = 3,4
x = 3,4 : 4,25

\(4,25\times\left(x+41,53\right)-125=53,5\)
\(4,25\times\left(x+41,53\right)=53,5+125\)
\(4,25\times\left(x+41,53\right)=178,5\)
\(x+41,53=178,5:4,25\)
\(x+41,53=42\)
\(x=42-41,53\)
\(x=0,47\)

a) 4,25 kg + 4,25 kg + 4,25 kg = 4,25 kg . 3
= 12,75kg
b) 5,8 + 5,8 . 3 + 5,8 = 5,8 . 2 + 5,8 . 3 = 5,8 . 5
= 29 ( m2)
P/s tham khao nha

a)
(x*211)+(1+2+...+211)=23632
(x*211)+22366=23632
x*211=23632-22366
x*211=1266
x=1266:211
x=6
Vậy x=6

\(\text{53,2:[x-3,5]+45,8=99}\)
\(\text{53,2:[x-3,5] =99-45,8}\)
\(\text{53,2:[x-3,5] =53,2}\)
\(\text{ x-3,5 =53,2:53,2}\)
\(\text{ x-3,5 =1}\)
\(\text{ x =4,5}\)
\(\text{4,25x[x+41,53]-125=53,5}\)
\(\text{4,25x[x+41,53] =53,5+125}\)
\(\text{4,25x[x+41,53] =178,5}\)
\(\text{ x+41,53 =178,5:4,25}\)
\(\text{ x+41,53 =42}\)
\(\text{ x =42+41,53}\)
\(\text{ x =83,53}\)
\(53,2\div\left(x-3,5\right)+45,8=99\)
\(53,2\div\left(x-35\right)=99-45,8\)
\(53,2\div\left(x-35\right)=53,2\)
\(x-35=1\)
\(x=1+35\)
\(x=36\)
\(4,25\times\left(x+41,53\right)-125=53,5\)
\(4,25\times\left(x+41,53\right)=53,5+125\)
\(4,25\times\left(x+41,53\right)=178,5\)
\(x+41,53=178,5\div4,25\)
\(x+41,53=42\)
\(x=42-41,53\)
\(x=0,47\)

79,36 - x = 51
x = 79,36 - 51
x = 28,36
28,36