一道英语数学题(完事有加分)The integer solutions of the inequalities abou
1个回答
翻译:已知关于x的不等式组3(x-a)+2≥2(1-2x-a)和(x+b)/3<(b-x)/2 的整数解是1,2,3.
问满足条件的整数组(a,b)有多少个?
答案:B
解不等式组得到 (b/7)
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