(-2)÷(-3/5)*4/5÷(-3又1/5)=

(-24)÷(-3/8)÷(-2/7)÷(-4/35)= (-2又2/3)÷(-1又7/9)=
(-1.4+14/15)÷(-7/30)= -3的2次方÷(-2又1/4)*(3/2)的3次方=
(+3又1/2)+(-7.89)+(-2又1/2)+(-0.64)+(+7.89)+0.64= 要过程拜托拜托拜托拜托

第1个回答  2011-09-30
(1)原式=(-24)*(-8/3)*(-7/2)*(-35/4)=1960
(2)原式=(-8/3)÷(-16/9)=(-8/3)*(-9/16)=3/2
(3)原式=(-7/5+14/15)*(-30/7)=-7/5*(-30/7)+14/15*(-30/7)=6-4=2
(4)原式=-9*(-4/9)*27/8=4*27/8=27/2
(5)原式=7/2-7.89-5/2-0.64+7.89+0.64=1本回答被提问者采纳

(-3)÷(-2\/5)÷(-|\/4)等于几?
解:(-3)÷(-2\/5)÷(-1\/4)=-3×-5\/2×-4 =-(3×5×2)=-30

(-24)÷(-3\/8)÷(-2\/7)÷(-4\/35)= (-2)÷(-3\/5)*4\/5÷(-3又1\/5)=
=224×35\/4 =1960 (-2)÷(-3\/5)*4\/5÷(-3又1\/5)= -2*5\/3*4\/5÷(16\/5)= -8\/3 *5\/16 =-5\/6 (-2又2\/3)÷(-1又7\/9)=8\/3* 9\/16 =3\/2 (-1.4+14\/15)÷(-7\/30)=(-2\/5-1\/15)÷(-7\/30)=7\/15 * 30\/7 =2 -3的2次方÷(-2又1\/4)*(3\/2...

(-3\/5)×(-3又1\/2)÷(-1又1\/4)÷3计算,要过程
回答:-3\/5✘(-7\/2)✘(-4\/5)✘1\/3=-14\/25

(-3)÷[(-2\/5)÷(-1\/4)]+3\/4?
=(-3)÷(2\/5×4)+3\/4 =(-3)×5\/8+3\/4 =(-15+6)\/8 =-9\/8

括号-3\/5括号乘以括号-3与1\/2括号除以括-1有1\/4括号除以3等于多少?
(-3\/5)×(-3又1\/2)÷(-1又1\/4)÷3 =(-3\/5)×(-7\/2)÷(-5\/4)÷3 =-3\/5×7\/2×4\/5×1\/3 =-1\/5×7×2\/5×1 =-14\/25。

(—2又1\/4)×(—3又4\/5)=(要有过程!)
回答:=(-9\/4)(-19\/5) =9\/419\/5 =171\/20 =8又11\/20

(-1又1\/4)×(-3又4\/5) 的得数等于多少
回答:85\/16

初中有理数除法(-3)\/(-2\/5)\/(-1\/4)怎么算?
(-3)\/(-2\/5)\/(-1\/4)=-3×(-5\/2)×(-4)=-30

能简便的用简便方法。(2\/3一2\/5)×(3\/4÷4\/5)=
能简便的用简便方法。(2\/3一2\/5)×(3\/4÷4\/5)=(2\/3-2\/5)*(3\/4*5\/4)=(2\/3-2\/5)*15\/16 =2\/3*15\/16-2\/5*15\/16 =5\/8-3\/8 =2\/8 =1\/4

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