Упрости выражения:
199 + 1 + a;
816 + b + 7;
528 − (28 + c);
245 − (d + 12);
25 * m * 4;
n * 9 * 6;
2 * x + 5 * x;
9 * y − y.
199 + 1 + a = (199 + 1) + a = 200 + a;
816 + b + 7 = (816 + 7) + b = 823 + b;
528 − (28 + c) = (528 − 28) − c = 500 − c;
245 − (d + 12) = (245 − 12) − d = 233 − d;
25 * m * 4 = m * (25 * 4) = m * 100;
n * 9 * 6 = n * (9 * 6) = n * 54;
2 * x + 5 * x = (2 + 5) * x;
9 * y − y = (9 − 1) * y = 8 * y.