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由2X+Y+3Z=23得4X+2Y+6Z=46,式一;由X+4Y+5Z=36得3X+12Y+15Z=108式二.式一+式二=(4X+2Y+6Z)+(3X+12Y+15Z)=7X+...
...B%B1%EA%BF%F6%CF%C2%A3%AC%D2%BB%C9%FD%B5%AA%C6%...
m个氮原子,是m/2个氮分子,把它×22.4就是答案.是B.
...B5%C4%B8%DF%B6%FB%BB%F9%CC%E5%B3%F6%CF%D6%CE%CA...
会出现多核细胞的现象 因为植物细胞的高尔基体与细胞壁生成有关 如果高尔基体出现问题将无法形成细胞壁 细胞分裂末日无法将两个子细胞...
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由2X+Y+3Z=23得4X+2Y+6Z=46，式一；由X+4Y+5Z=36得3X+12Y+15Z=108式二。式一+式二=（4X+2Y+6Z）+（3X+12Y+15Z...
...%CF%D8%B5%C4%C0%AD%B7%A8%BB%F9%C8%F0%B0%B2%CB%AE...
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...c1,c2;scanf("a=%d b=%d",&a,&b);scanf(" %f %e",&...
你只需要注意一点 那就是任何情况下不要在scanf函数里面输出常量字符串不是不可以 而是非常容易出错!所以养成习惯不这么做!比如你的...