1x2x4十2x4x8十3x6x12分之1x3x24十2x6x48十3x9x72

2024-11-22 07:45:10
推荐回答(1个)
回答(1):

(1x3x24+2x6x48+3x9x72)/(1x2x4+2x4x8+3x6x12)
=(1x3x24+8x1x2x24+27x1x3x24)/(1x2x4+8x1x2x4+27x1x2x4)
=(1+8+27)x1x3x24 /[=(1+8+27)x1x2x4]
=(3x24)/(2x4)
=3x3
=9