А) 5х + 8х = 13х = 13 * 13 = 169
Б) 12у - 6у = 6у = 6 * 6 = 36
В) 9а + 7а = 16а = 16 *16 = 256
Г) 18b - 7b = 11b = 11 * 11 = 121
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А) 5х + 8х = 13х = 13 * 13 = 169
Б) 12у - 6у = 6у = 6 * 6 = 36
В) 9а + 7а = 16а = 16 *16 = 256
Г) 18b - 7b = 11b = 11 * 11 = 121