计算:(-2)^100*0.5^99+(-1/2)^-3
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计算:(-2)^100*0.5^99+(-1/2)^-3
![计算:(-2)^100*0.5^99+(-1/2)^-3](/uploads/image/z/20175953-41-3.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%9A%EF%BC%88-2%EF%BC%89%5E100%2A0.5%5E99%2B%28-1%2F2%29%5E-3)
(-2)^100×0.5^99 +(-1/2)^(-3)
=[(-2)×(1/2)]^99×(-2)+(-2)³
=(-1)×(-2)-8
=2-8
=-6
=[(-2)×(1/2)]^99×(-2)+(-2)³
=(-1)×(-2)-8
=2-8
=-6
计算1+2+3+.+100
先观察,后计算(1)计算自然数1,2,3,.,999的和(2)计算1+3+5+...+297+299(3)计算100-9
计算:1+(-2)+3…+99+(-100)
计算:(-1)+(+2)+(-3)+(-4)+.+(-99)+(+100)+.+(-2009)+(+2010)
"2计算"和"3计算",
计算1×2/1+2×3/1+``````+99×100/1
计算(1-2)*(2-3)*(3-4)*...*(99-100)
计算:(1) 1+(-2)+3+(-4)+…+99+(-100) (2)
如何计算1+2+3+.+100=?
1/(2/3)/(3/4)/./(99/100)简便方法计算
计算(1)(2)(3)
(+1)+(-2)+(+3)+(-4)+...+(+99)+(-100),要写出计算过程.