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数学
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1×3×24+2×6×48+3×9×72/(1×2×4+2×4×8+3×6×12)
为什么
人气:180 ℃ 时间:2019-09-27 18:51:05
解答
原式分子:24*3*(1+8+27)
分母:2*4*(1+8+27)
结果为9
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1×2×4+2×4×8+3×6×12分之1×3×24+2×6×48+3×9×72
(1*3*24+2*6*48+3*9*72)/(1*2*4+2*4*8+3*6*12)
1*3*24+2*6*48+3*9*72/1*2*4+2*4+3*6*12
(1*2*24+2*6*48+3*9*72+4*12*96)/(1*2*4+2*4*8+3*6*12+4*8*16)
(1*2*24+2*6*48+3*9*72+4*12*96)/(1*2*4+2*4*8+3*6*12+4*8*16)简算(/是分数线)
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