【用戶】Caiting
【年級】國二下
【評論內容】a2+b2+i2+2ab+2ai+2bi=1因為 0.39=a2+2ai 0.24=b2+2bi 0.25=i2 = i=0.5 0.12=2ab = ab=0.06所以 0.39=a2+a = a=0.3 0.24=b2+b = b=0.2
【用戶】Caiting
【年級】國二下
【評論內容】a2+b2+i2+2ab+2ai+2bi=1因為 0.39=a2+2ai 0.24=b2+2bi 0.25=i2 = i=0.5 0.12=2ab = ab=0.06所以 0.39=a2+a = a=0.3 0.24=b2+b = b=0.2