Question

упростите выражение 1)(х+29)+71;
2)805+(y+195);
3)732+968+c;
4)3186+d+2914

Answer 1

$(x + 29) + 71 = \\ = x + 29 + 71 = \\ = x + 100$
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$805 + (y + 195) = \\ = 805 + y + 195 = \\ = y + 1000$
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$732 + 968 + c = \\ = c + 1700$
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$3186 + 2914 + d = \\ = d + 6100$