234 x X + 234 x 5.6 = 234x10
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a: =234x(45+54+1)
=234x100
=23400
b: =(8x125)x(50x20)
=1000x1000
=1000000
a = 243x(45+54+1)
=243 x 100
=24300
b = (20 x 50 ) x (8x125)
=1000x1000
=1000000
![](https://rs.olm.vn/images/avt/0.png?1311)
a: =1250:25=50
b: =234(45+55)+234=23400+234=23634
c: =1000x1000=1000000
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567 x 234 - 234 x 542 + 234
= 234 x ( 567 - 542 + 1)
= 234 x 26
= 6084
![](https://rs.olm.vn/images/avt/0.png?1311)
A. 234 x ( 1257 – 257 ) = 234 x 1257 - 234 x 257
B. 135 x 80 + 20 x 135 = 135 x ( 80 + 20 )
![](https://rs.olm.vn/images/avt/0.png?1311)
=(1+2+...+100)*(1125-1125)*(234*12+234*88)
=(1+2+...+100)*0*(234*12+234*88)
=0
![](https://rs.olm.vn/images/avt/0.png?1311)
`234 xx 1257 - 234 xx 257`
`= 234 xx (1257 -257)`
`= 234 xx 1000`
`= 234000`
`312 xx 415 + 312 xx 574 + 312`
`=312 xx 415 + 312 xx 574 + 312xx1`
`=312 xx(415 + 574+1)`
`= 312 xx 1000`
`= 312000`
234×1257−234×257234×1257-234×257
=234×(1257−257)=234×(1257-257)
=234×1000=234×1000
=234000=234000
312×415+312×574+312312×415+312×574+312
=312×415+312×574+312×1=312×415+312×574+312×1
=312×(415+574+1)=312×(415+574+1)
=312×1000=312×1000
=312000
\(234\times\left(x+5.6\right)=2340\)
\(x+5,6=2340:234\)
\(x=10-5,6\)
\(x=4,4\)
\(234\times x+234\times5,6=234\times10\)
\(234\times\left(x+5,6\right)=2340\)
\(x+5,6=2340:234\)
\(x+5,6=10\)
\(x=10-5,6\)
\(x=4,4\)