计算(-78)+(-77)+(-76)+(-75)+...+100=多少?计算(1)(+26)+(-18)+5+(-16)(2)(-2.1)+(+3.75)+(+4)+(-3.75)+5+(-4)(3)1.75+(-6又2/1)+3又8/3+(-1又4/3)+(+2又8/5)(4)[(3又37/15)+
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![计算(-78)+(-77)+(-76)+(-75)+...+100=多少?计算(1)(+26)+(-18)+5+(-16)(2)(-2.1)+(+3.75)+(+4)+(-3.75)+5+(-4)(3)1.75+(-6又2/1)+3又8/3+(-1又4/3)+(+2又8/5)(4)[(3又37/15)+](/uploads/image/z/17269-61-9.jpg?t=%E8%AE%A1%E7%AE%97%EF%BC%88-78%EF%BC%89%2B%EF%BC%88-77%EF%BC%89%2B%EF%BC%88-76%EF%BC%89%2B%EF%BC%88-75%EF%BC%89%2B...%2B100%3D%E5%A4%9A%E5%B0%91%3F%E8%AE%A1%E7%AE%97%EF%BC%881%EF%BC%89%EF%BC%88%2B26%EF%BC%89%2B%EF%BC%88-18%EF%BC%89%2B5%2B%EF%BC%88-16%EF%BC%89%EF%BC%882%EF%BC%89%EF%BC%88-2.1%EF%BC%89%2B%EF%BC%88%2B3.75%EF%BC%89%2B%EF%BC%88%2B4%EF%BC%89%2B%EF%BC%88-3.75%EF%BC%89%2B5%2B%EF%BC%88-4%EF%BC%89%EF%BC%883%EF%BC%891.75%2B%EF%BC%88-6%E5%8F%882%2F1%EF%BC%89%2B3%E5%8F%888%2F3%2B%EF%BC%88-1%E5%8F%884%2F3%EF%BC%89%2B%EF%BC%88%2B2%E5%8F%888%2F5%EF%BC%89%EF%BC%884%EF%BC%89%5B%283%E5%8F%8837%2F15%29%2B)
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计算(-78)+(-77)+(-76)+(-75)+...+100=多少?计算(1)(+26)+(-18)+5+(-16)(2)(-2.1)+(+3.75)+(+4)+(-3.75)+5+(-4)(3)1.75+(-6又2/1)+3又8/3+(-1又4/3)+(+2又8/5)(4)[(3又37/15)+
计算(-78)+(-77)+(-76)+(-75)+...+100=多少?
计算
(1)(+26)+(-18)+5+(-16)
(2)(-2.1)+(+3.75)+(+4)+(-3.75)+5+(-4)
(3)1.75+(-6又2/1)+3又8/3+(-1又4/3)+(+2又8/5)
(4)[(3又37/15)+(-9.5)+(-12又37/10)】+【(-37/5)+(+10又2/1)】
计算(-78)+(-77)+(-76)+(-75)+...+100=多少?计算(1)(+26)+(-18)+5+(-16)(2)(-2.1)+(+3.75)+(+4)+(-3.75)+5+(-4)(3)1.75+(-6又2/1)+3又8/3+(-1又4/3)+(+2又8/5)(4)[(3又37/15)+
(1)=-3
(2)=2.9
(3)=-1/2
(4)=-8
(-78)+(-77)+(-76)+(-75)+...+100=79+80+81+82+...+100=1969