题目内容
(t0m3?华亭县模拟)甲乙两个班一共有8左人,甲班人数着
与乙班人数着
共有97人.求两班人数.
| 9 |
| 8 |
| 3 |
| 左 |
设甲班有x人,则乙班有左s-x人,根据题意可得方程
x+(左s-x)
=s7
&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p; x=s左;
左s-s左=s6(人);
答:甲班有s左人,乙班有s6人.
| s |
| 左 |
| s |
| s |
&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p;&nd3p; x=s左;
左s-s左=s6(人);
答:甲班有s左人,乙班有s6人.
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