(8/7+16/3)除以16/13能簡算嗎

(8/7+16/3)除以16/13能簡算嗎


(8/7+16/3)÷16/13
8/7÷16/13+16/3÷16/13
=13/14+13/3
=39/42+182/42
=221/42
不知道算不算簡單運算.



5/16*[(10-350%)除以13/2]除以8/5


5/16*[(10-350%)除以13/2]除以8/5
=5/16*(13/2*2/13)*5/8
=5/16*5/8
=1/2



()除以5/6-16/7*7/8=28 1除以(4/5*()-1/5)=3


()÷5/6-16/7*7/8=28
()÷5/6-2=28
()÷5/6=28+2=30
()=30×(5/6)
()=25
1÷(4/5*()-1/5)=3
4/5*()-1/5=1÷3=1/3
4/5*()=1/3+1/5=8/15
()=(8/15)÷(4/5)
()=2/3



計算13又8/13除以6+7又2/13除以(-6)+(-36又6/13)除以6


=(13又8/13-7又2/13-36又6/13)x1/6
=(13-7-36+8/13-2/13-6/13)x1/6
=-5