(－1/36)÷(1/3－5/6＋5/12－2/9－21/4)简算
(-1/36)÷(1/3-5/6+5/12-2/9-21/4)
=-1÷36÷(1/3-5/6+5/12-2/9-21/4)
=-1÷[36×(1/3-5/6+5/12-2/9-21/4)]
=-1÷(36×1/3-36×5/6+36×5/12-36×2/9-36×21/4)
=-1÷(12-30+15-8-189)
=-1÷(-200)
=1/200
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热门标签：
(-1/36)÷(1/3-5/6+5/12-2/9-21/4)
=-1÷36÷(1/3-5/6+5/12-2/9-21/4)
=-1÷[36×(1/3-5/6+5/12-2/9-21/4)]
=-1÷(36×1/3-36×5/6+36×5/12-36×2/9-36×21/4)
=-1÷(12-30+15-8-189)
=-1÷(-200)
=1/200
上一篇：这道题怎么写呢？在线求教