Let r be 5/10*(2 + 0). Solve -3 = n - r for n.
Let r be 5 ⁄ 10 *(2 + 0). Solve -3 = n - r for n. -2 Let s be 4/(-14) + (-210)/(-49). Suppose 4*t - 2*y - 18 = 2, -s = y. Suppose -10 = -d + 2*v, -6*d + 4*v + 22 = -t*d. Solve -d = p + 2 for p.
初中数学题
2024-11-16
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