(+100/3)*(-1/4)*(-7)*(+4)*(-0.3) 用简便方法计算
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![(+100/3)*(-1/4)*(-7)*(+4)*(-0.3) 用简便方法计算](/uploads/image/z/430735-31-5.jpg?t=%28%2B100%2F3%29%2A%28-1%2F4%29%2A%28-7%29%2A%28%2B4%29%2A%28-0.3%29+%E7%94%A8%E7%AE%80%E4%BE%BF%E6%96%B9%E6%B3%95%E8%AE%A1%E7%AE%97)
(+100/3)*(-1/4)*(-7)*(+4)*(-0.3) 用简便方法计算
(+100/3)*(-1/4)*(-7)*(+4)*(-0.3) 用简便方法计算
(+100/3)*(-1/4)*(-7)*(+4)*(-0.3) 用简便方法计算
(+100/3)*(-1/4)*(-7)*(+4)*(-0.3)
=-100/3*0.3*1/4*4*7
=-100/3*3/10*1/4*4*7
=-10*1*7
=-70