来自庞宏纲的问题
解下列方程组:(1)5X=2Y=12,3X+2Y=6.(2)3X-2Y=-8,X+5Y=3.(3)X-3Y=0,5X-2Y=26.(4)X/4-(Y+10)/2=95,20%X+10%Y=300*10%.
解下列方程组:
(1)5X=2Y=12,3X+2Y=6.
(2)3X-2Y=-8,X+5Y=3.
(3)X-3Y=0,5X-2Y=26.
(4)X/4-(Y+10)/2=95,20%X+10%Y=300*10%.
1回答
2020-06-0921:08