求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X
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求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X求既满足不等式7X-2>3(
求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X
求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X
求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X
7X-2>3(X-1) (1)
2/5X-1≤9-2/3X (2)
由(1)得
7x-3x>-3+2
x>-1/4
由(2)得 6x-15
1 2 3 4 5 6 7 8 9
求既满足不等式7X-2>3(X-1),又满足不等式2/5X-1≤9-2/3X的正整数X
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