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(满分100分 时间60分钟)一、填空题(每空3分,共36分)1.-9y2+16x4=()().2.计算:632-372=.3.若x2+kx-4=(x+1)(x+m),则k=,m=.4.如果a+b=2,ab=1,那么a2+b2=.5.27x3+1(3x+1)()
(Out of 100 points for 60 minutes) 1. Fill in the blanks (3 points for each space, total 36 points) 1. -9y2+16x4=()(). 2. Calculation: 632-372=. 3. If x2+kx-4=(x+1)(x+m), then k=,m=. 4. If a+b=2, ab=1, then a2+b2=. 5.27x3+1(3x+1)()