Question

17/13+3/5-(4/13-2/5)等于多少简便运算？

Answer 1

17/13+3/5-(4/13-2/5)
=17/13+3/5-4/13+2/5
=(17/13-4/13)+(3/5+2/5) (加法交换律，加法结合律)
=1+1
=2

Answer 2

4/5×5/6+2/5÷3/5等于多少简便运算 4/3​ 顶顶顶顶顶顶顶顶顶顶顶顶顶 4/3 4/5×5/6+2/5÷3/5=2/5×5/3+2/5×5/3=2×2/5×5/3=4/3 4/5x5/6+2/5÷3/5=4/6+2/5x5/3=2/3+2/3=4/3（或1 1/3）希望采纳

Answer 3

17/13+3/5-(4/13-2/5)
=17/13-4/13+3/5+2/5
=1+1
=2

Answer 4

原式＝17/13+3/5-4/13+2/5＝1+1＝2

Answer 5

由题意得：
17/13+3/5-(4/13-2/5)
=17/13++3/5-4/13+2/5
=17/13-4/13+(3/5+2/5)
=13/13+5/5
=1+1
=2