计算:(1)9999^2+9999 (2)0.93^2+2×0.93×0.07+0.07^2 (3)32×0.24+86
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计算:(1)9999^2+9999 (2)0.93^2+2×0.93×0.07+0.07^2 (3)32×0.24+86×0.24-18×0.24
请用因式分解进行计算,
请用因式分解进行计算,
![计算:(1)9999^2+9999 (2)0.93^2+2×0.93×0.07+0.07^2 (3)32×0.24+86](/uploads/image/z/16964287-7-7.jpg?t=%E8%AE%A1%E7%AE%97%3A%EF%BC%881%EF%BC%899999%5E2%2B9999+%EF%BC%882%EF%BC%890.93%5E2%2B2%C3%970.93%C3%970.07%2B0.07%5E2+%EF%BC%883%EF%BC%8932%C3%970.24%2B86)
1)9999^2+9999 =(10000-1)^2+9999=10000^2-20000+1+9999=100000000-10000=99990000
(2)0.93^2+2×0.93×0.07+0.07^2 =(0.93+0.07)^2=1
(3)32×0.24+86×0.24-18×0.24=0.24*(32+86-18)=24
(2)0.93^2+2×0.93×0.07+0.07^2 =(0.93+0.07)^2=1
(3)32×0.24+86×0.24-18×0.24=0.24*(32+86-18)=24
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