冀教版初中数学八年级下册单元测试-第二十三章内容摘要:
32xx ( C) 120 120 32xx ( D) 120 120 32xx 二、耐心选一选。 (每小题 5分 ,共 30分) 424 xx 的值与 54xx 的值相等,则 x ___________. 32xy,则 xyxy ______________. 3. 2 3mmx 的根为 1,则 m ____________. 1与 1x 的倒数的差等于 1x 的倒数,则 x _____________. 5 .一项工程,甲、乙两人合做需 t 小时完成,甲独做需 s 小时完成,那么乙独做需____________小时完成 . 3841xx的解是 __。冀教版初中数学八年级下册单元测试-第二十三章
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