2-13分之6除以26分之9-3分之2
问题描述:
2-13分之6除以26分之9-3分之2
答
2 -6/13÷9/26 -2/3
=2 -6/13×26/9 -2/3
=2 -4/3 -2/3
=2 -(4/3+2/3)
=2 -2
=0