12345-1234=
K
Khách
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PT
7
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5 tháng 8 2016
23456+12345=12345+23456
1234+2345=9786-6207
5 tháng 8 2016
\(23456+12345=12345+x\)
\(=35801\)
\(=35801-12345\)
\(=23456\)
\(1234+2345=9876-x\)
\(=3579\)
\(=9876-3579\)
\(=6297\)
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23 tháng 12 2015
1234*12345+(789+123)= 1234*12345 + 912
= 15233730 + 912
= 15234642
CN
4
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12345-1234=11111
@^_^@
12345-1234=11111
H MINH NHE Nỏ kó tên