120+x=250, x=130, (x+12)(x-12), x2-122, (a+b)2, a2+2ab+b2, x+3=4, x=1, 119+145, 264, 67+41+69, 171, 10 + i2, 9, 1024+2056, 3080, 1+2+3+....+n, [n*(n+1)]/2, 31+32, 63, 109+260, 379, 676767+0, 676767.

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