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111 = 111 123 < 456 156 < 213
126 < 158 126 < 453 154 > 123
125 = 125 156 > 153 156 < 561
111=111 123<456 156<213
126<158 126<453 154>123
125=125 156>153 156<561
\(\begin{array}{*{20}{c}}{a)\,\,}\\{}\\{}\end{array}\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{536}\\{\,\,\,\,\,8}\end{array}}\\\hline{\,\,\,544}\end{array}\) \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{\,\,\,67}\\{829}\end{array}}\\\hline{\,\,\,\,996}\end{array}\) \(\begin{array}{*{20}{c}}{ + \begin{array}{*{20}{c}}{432}\\{284}\end{array}}\\\hline{\,\,\,\,716}\end{array}\)
\(\begin{array}{*{20}{c}}{b)\,\,}\\{}\\{}\end{array}\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{253}\\{\,\,\,\,\,7}\end{array}}\\\hline{\,\,\,\,246}\end{array}\) \(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{561}\\{\,\,\,42}\end{array}}\\\hline{\,\,\,519}\end{array}\) \(\begin{array}{*{20}{c}}{ - \begin{array}{*{20}{c}}{795}\\{638}\end{array}}\\\hline{\,\,\,\,057}\end{array}\)
100 +169 +236 +365 +658 +321 +698 +359 +365 +385 + 685 +559 +666 +554 +589 +589 +59+96 *65=13597
Chắc thế!
100 +169 +236 +365 +658 +321 +698 +359 +365 +385 + 685 +559 +666 +554 +589 +589 +59+96 *65=484445
= 1330
hok tốt
156 + 359 + 254 + 561
= ( 156 + 254 ) + ( 359 + 561 )
= 410 + 920
= 1330