一元一次不等式组的题由方程组X+2Y=1.得到X,Y的值都不大于1,则a的取值范围为( )X-2Y=aA.-3<a<1B.-3≤a≤1C.-3<a≤1D.-3≤a≤-1要解题过程(简单写写就行)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/15 10:37:41
![一元一次不等式组的题由方程组X+2Y=1.得到X,Y的值都不大于1,则a的取值范围为( )X-2Y=aA.-3<a<1B.-3≤a≤1C.-3<a≤1D.-3≤a≤-1要解题过程(简单写写就行)](/uploads/image/z/13322774-38-4.jpg?t=%E4%B8%80%E5%85%83%E4%B8%80%E6%AC%A1%E4%B8%8D%E7%AD%89%E5%BC%8F%E7%BB%84%E7%9A%84%E9%A2%98%E7%94%B1%E6%96%B9%E7%A8%8B%E7%BB%84X%2B2Y%3D1.%E5%BE%97%E5%88%B0X%2CY%E7%9A%84%E5%80%BC%E9%83%BD%E4%B8%8D%E5%A4%A7%E4%BA%8E1%2C%E5%88%99a%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E4%B8%BA%EF%BC%88+%EF%BC%89X-2Y%3DaA.-3%EF%BC%9Ca%EF%BC%9C1B.-3%E2%89%A4a%E2%89%A41C.-3%EF%BC%9Ca%E2%89%A41D.-3%E2%89%A4a%E2%89%A4-1%E8%A6%81%E8%A7%A3%E9%A2%98%E8%BF%87%E7%A8%8B%EF%BC%88%E7%AE%80%E5%8D%95%E5%86%99%E5%86%99%E5%B0%B1%E8%A1%8C%EF%BC%89)
xSn@~=ы$AN j/戟Ji84
TjC"Q7]-R{+573ZRQ?rէaC}=ݳ~sH`\gԻ+k{ApY`M`zkbUUu p좾
L
80 ]A222~ m>lC5埖$U]'lȖ)jlTJrfrKJpAI&UU0%䟵Z)ͮhcװ'"ouHܓxH(C"EbY$ 5q~IS"Vqo[ƫn%Q0]h*lL" LӐU-F!XRDlmvat2 =|[=+nJ7.`GaSꎩcNSII}Q}(9sGNcl^Gx