(负3/7+1/3-9/14)除以(-1/42)(-0.15-7/15+5/12-2又1/4)X(-6又2/3)乘以3的2次幂
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![(负3/7+1/3-9/14)除以(-1/42)(-0.15-7/15+5/12-2又1/4)X(-6又2/3)乘以3的2次幂](/uploads/image/z/11519865-9-5.jpg?t=%28%E8%B4%9F3%2F7%2B1%2F3-9%2F14%29%E9%99%A4%E4%BB%A5%28-1%2F42%29%28-0.15-7%2F15%2B5%2F12-2%E5%8F%881%2F4%29X%28-6%E5%8F%882%2F3%29%E4%B9%98%E4%BB%A53%E7%9A%842%E6%AC%A1%E5%B9%82)
(负3/7+1/3-9/14)除以(-1/42)(-0.15-7/15+5/12-2又1/4)X(-6又2/3)乘以3的2次幂
(负3/7+1/3-9/14)除以(-1/42)
(-0.15-7/15+5/12-2又1/4)X(-6又2/3)乘以3的2次幂
(负3/7+1/3-9/14)除以(-1/42)(-0.15-7/15+5/12-2又1/4)X(-6又2/3)乘以3的2次幂
(负3/7+1/3-9/14)除以(-1/42)=31
(-0.15-7/15+5/12-2又1/4)X(-6又2/3)乘以3的2次幂 =147