24.8*(1+12.5%)*X*2/3 + 16*(1+12.5%)*X/2 = 552
问题描述:
24.8*(1+12.5%)*X*2/3 + 16*(1+12.5%)*X/2 = 552
求解,详细的
答
24.8*1.125*x*2/3=18.6x
16*1.125*X/2=9x
18.6x+9x=24.6x
24.6x=552
x=22.439
亲,不懂可以HI我望采纳哦