2/17×34/5×4/3 12/5×5/2×6/5 (都要脱式的,)
问题描述:
2/17×34/5×4/3 12/5×5/2×6/5 (都要脱式的,)
答
2/17×34/5×4/3
=2/1×2/5×4/3
=(2×2×4)/(1×5×3)
=16/15
12/5×5/2×6/5
=6/1×1/1×6/5
=(6×1×6)/(1×1×5)
=36/5