17减括号里的6/13除以9/36加2/3等于多少?
17减括号里的6/13除以9/36加2/3等于多少?
17-(6/13÷9/36+2/3)
=17-(6/13×1/4+2/3)
=17-(3/26+2/3)
=17-61/78
=16又17/68。
请问一道数学题6/13除以9/26减6/3等于多少?
6/13÷9/26-6/3
= 6/13×26/9-6/3
= 4/3-6/3
= -2/3
二减6/13除以9/26减2/3减面计算是多少?
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
望采纳
6/()除以12=()/10 ()/15除以3=7/() ()/27除以2=6/() 括号里能填的整数是几
6/(5)除以12=(1)/10 (7)/15除以3=7/(45) (18)/27除以2=6/(18)
最后一题答案不唯一。
有疑问,请追问;若满意,请采纳,谢谢!
2/3×2除以括号三子2×2括号等于几
解:依题意得算式,
3分之2×2÷(3分之2×2)
=3分之4÷3分之4
=1
即3分之2×2÷(3分之2×2)=1
9/17除以18等于多少
1/34
望采纳!
20除以9/17等于多少?
你好,=340/9
6又18/1减3又6/1加2又9/2等于几
原式=6+1/18-3-1/6+2+2/9
=5+1/18-3/18+4/18
=5+2/18
=5+1/9
=5又1/9
用1/9表示9分之1
(36 9/16括号除以9=几
(36+9/16)÷9
=36÷9+9/16÷9
=4+1/16
=4又1/16
2-6/13÷9/26-2/3等于多少?
2-6/13÷9/26-2/3=2/3
【释义】
算式中先算乘除,后算加减。