3元1次方程组求解
4.6913=x+11.0547y+1.6094z
4.0775=x+11.2111y+2.3026z
3.6636=x+11.0219y+2.8904z
人气：216 ℃ 时间：2020-03-22 13:20:02
解答
4.6913=x+11.0547y+1.6094z❶4.0775=x+11.2111y+2.3026z❷3.6636=x+11.0219y+2.8904z❸❶-❷=0.6138=-0.1564y-0.6932z 即6138=-1564y-6932z ----❹❷-❸=0.4139=0....
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