X x 46 - X x 24 = 88 x 25
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56 x 33= 1848
88 x 88= 7744
97 x 45= 4365
46 x 33= 1518
67 x 43= 2881
30 x 15= 450
\(\frac{12.23+23.88}{46.3+46.14}\)
\(=\frac{23.\left(12+88\right)}{46.\left(3+14\right)}\)
\(=\frac{23.100}{46.17}\)
\(=\frac{23.2.50}{23.2.17}\)
\(=\frac{50}{17}\)
\(\frac{12x23+23x88}{46x3+46x14}\)
=\(\frac{23x\left(12+88\right)}{46x\left(14+3\right)}\)
=\(\frac{23x100}{46x17}\)
= \(\frac{50}{17}\)
a, (-25) + 276 - (276 - 25)
= (-25) + 276 - 276 + 25
= [ (-25) + 25] - (276 - 276)
= 0 - 0
= 0
b, 24 x 46 + 24 x 53 + 24
= 24 x ( 46 + 53 + 1)
= 24 x 100
= 2400
a) 320 x 63 - 16 x 20 + 32 x 370
= 320 x 63 - 320 x + 320 x 37
= 320 x ( 63 - 1 + 37 )
= 320 x 99
= 320 x ( 100 - 1 )
= 320 x 100 - 320
= 32000 - 320 = 31 680
b) 35 x 61 + 215 x 5 + 35 x 39 + 57 x 25
= 5 x 427 + 5 x 215 + 5 x 273 + 5 x 285
= 5 x ( 427 + 215 + 273 + 285 )
= 5 x 1200 = 6000
c) 34 x 24 - 94 x 6 + 83 x 48 - 47 x 88
= 204 x 4 - 4 x 141 + 996 x 4 - 1034 x 4
= 4 x ( 204 - 141 + 996 - 1034 )
= 4 x 25 = 100
36x4=144
50x3=150
22x6=132
35x4=140
46:2=23
96:3=32
60:3=20
88:4=22
b, 8/25 x 46/24 - x = 1/4
46/75 - x = 1/4
x = 46/75 - 1/4
x = 109/300
\(\frac{8}{25}×\frac{46}{24}-x=\frac{1}{4} \)
\(\frac{46}{75}-x=\frac{1}{4}\)
\(x=\frac{46}{75}-\frac{1}{4}\)
\(x=\frac{109}{300}\)
vậy \(x=\frac{109}{300}\)
a) x-29/6=13/6+10/12 b)15/26+x/13=46/25
x-29/6=3 x/13=46/25-15/26
x =3+29/6 x/13=821/650
x =47/6 x/650=821/650
x=821
c)2,8-x=6/5-3/5 d)24/x:8/3=0,6
2,8-x=2/5 24/x:8/3=3/5
14/5-x=2/5 24/x =3/5.8/3
x=14/5-2/5 24/x =8/5
x=12/5 24/x =24/15
x =15
a, x - 29/6 = 13/6 + 10/12
x - 29/6 = 26/12+10/12
x - 29/6 =3
x = 3 + 29/6
x = 47/6
vậy x = 47/6
\(\text{X x 46 - X x 24 = 88 x 25 }\)
\(x.\left(46-24\right)=2200\)
\(x.22=2200\)
\(x=2200:22\)
\(x=100\)
học tốt
\(x.46-x.24=88.25\)
\(\Rightarrow x.\left(46-24\right)=2200\)
\(\Rightarrow x.22=2200\)
\(\Rightarrow x=100\)
hok tốt