Question

13分之2除以9加9分之1乘13分之6加40除3分之5乘百分之12.5？

Answer 1

2/13÷9+1/9X6/13+40÷5/3X12.5％

2/13X1/9+1/9X6/13+40X3/5X125/1000

8/13X1/9+24X1/8

8/117+3

3又8/117

Answer 2

解：根据题意得
2/13÷9+6/13×1/9+5/3÷
40×12.5%
＝2/13×1/9+6/13×1/9+5/3×1/40×1/8
＝1/9×（2/13+6/13）+
1/192
＝1/9×8/13+1/192
＝8/117+1/192
＝512/7488+39/7488
＝551/7488。

Answer 3

2/13÷9+1/9*6/13+40÷5/3*12.5%
=2/13*1/9+1/9*6/13+40*3/5*1/8
=(2/13+6/13)*1/9+3
=8/13*1/9+3
=8/117+3
=359/117

Answer 4

2/13÷9+1/9×6/13+40÷5/3×12.5%
=2/（13×9）+6/（13×9）+40×3/5×12.5%
=8/117+40×3×2.5%
=8/117+3×（4×25）%
=8/117+3
=3又8/117

Answer 5

答：
2/13÷9+1/9×6/13+40÷5/3×12.5％
=2/13×1/9+1/9×6/13+40×3/5×12.5/100
=1/9×(2/13+6/13)+3
=1/9×8/13+3
=8/117+3
=3又8/117