(-3/4)³*(-5/6)²+0.5²*(-3/4)³+17/18*(+3/4)³+4²/(-4/3)³
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![(-3/4)³*(-5/6)²+0.5²*(-3/4)³+17/18*(+3/4)³+4²/(-4/3)³](/uploads/image/z/1073779-43-9.jpg?t=%28-3%2F4%29%26%23179%3B%2A%28-5%2F6%29%26%23178%3B%2B0.5%26%23178%3B%2A%28-3%2F4%29%26%23179%3B%2B17%2F18%2A%28%2B3%2F4%29%26%23179%3B%2B4%26%23178%3B%2F%28-4%2F3%29%26%23179%3B)
(-3/4)³*(-5/6)²+0.5²*(-3/4)³+17/18*(+3/4)³+4²/(-4/3)³
(-3/4)³*(-5/6)²+0.5²*(-3/4)³+17/18*(+3/4)³+4²/(-4/3)³
(-3/4)³*(-5/6)²+0.5²*(-3/4)³+17/18*(+3/4)³+4²/(-4/3)³
原式=-27/64×25/36+1/4×(-27/64)+17/18×27/64+16÷(-64/27)
=-27/64×25/36+1/4×(-27/64)+17/18×27/64+16×(-27/64)
=27/64×(-25/36-1/4+17/18-16)
=27/64×(-25/36-9/36+34/36-16)
=(27/64)×(-16)
=-27/4
必修3 1.蜀道难 2.登高 秋兴八首(其一) 咏怀古迹(其三)(杜甫) 3.琵琶行 4.锦瑟(李商隐) 5.劝学 6.师说 7.过秦论 后三段 必修4