1×3×24+2×6×48+3×9×721×2×4+2×4×8+3×6×12
1×3×24+2×6×48+3×9×721×2×4+2×4×8+3×6×12
(1*3*24+2*6*48+3*9*72)/(1*2*4+2*4*8+3*6*12)
1*2*4+2*4*8+3*6*12分之1*3*24+2*6*48+3*9*27
1*2*4+2*4*8+3*6*12分之1*3*24+2*6*48+3*9*72
1×2×4+2×4×8+3×6×12分之1×3×24+2×6×48+3×9×72
(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
(1*2*24+2*6*48+3*9*72+4*12*96)/(1*2*4+2*4*8+3*6*12+4*8*16)
(1/3/12+2/6/24+3/9/36+4/12/48)/(2/3/5+4/6/10+6/9/15+8/12/20)
1*3*24+2*6*48+3*9*72/1*2*4+2*4+3*6*12
1*2*4加2*4*8加3*6*12分之1*3*24加2*6*48加3*9*72
1×2×4+2×4×8+3×6×12分之1×3×24+2×6×48+3×9×72=?简便算法!
1×3×24+2×6×48+3×9×72/(1×2×4+2×4×8+3×6×12)