6道计算题1.(1/2-1)(1/3-1)(1/4-1)(1/5-1)(1/6-1) 2.(-2)+(-5)-(-3) 3.-0.65+(-1.9)-(+1.1)-(-13/20) 4.15x+4y-10y-7x5.2(3a+b)-(3a-b)-3(a-2b) 6.-5+6÷(-2)×1/3
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![6道计算题1.(1/2-1)(1/3-1)(1/4-1)(1/5-1)(1/6-1) 2.(-2)+(-5)-(-3) 3.-0.65+(-1.9)-(+1.1)-(-13/20) 4.15x+4y-10y-7x5.2(3a+b)-(3a-b)-3(a-2b) 6.-5+6÷(-2)×1/3](/uploads/image/z/592074-18-4.jpg?t=6%E9%81%93%E8%AE%A1%E7%AE%97%E9%A2%981.%281%2F2-1%29%281%2F3-1%29%281%2F4-1%29%281%2F5-1%29%281%2F6-1%29+2.%28-2%29%2B%28-5%29-%28-3%29+3.-0.65%2B%28-1.9%29-%28%2B1.1%29-%28-13%2F20%29+4.15x%2B4y-10y-7x5.2%283a%2Bb%29-%283a-b%29-3%28a-2b%29+6.-5%2B6%C3%B7%28-2%29%C3%971%2F3)
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