5/6=()/24=()/36=()/12=()÷()

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5/6=()/24=()/36=()/12=()÷()
5/6=()/24=()/36=()/12=()÷()

5/6=()/24=()/36=()/12=()÷()
5/6=(20)/24=(30)/36=(10)/12=(15)÷(18)

5/6=()/24=()/36=()/12=()÷() ()÷36=1/3=9:()=12:()=24分之() 观察下面的算式.你有什么发现? 11/18=1/3+1/6+1/9 13/30=1/5+1/6+1/15你能把下面算式填完整吗? 13/24=()+()+()注意 分子都是1 15/42=()+()+() 15/36=()+()+() 13/28=()+()+() 1()2()3()4()5()6()7()8()9=36填“+”,“-” (1)1.9×130%= (2)0.3×100%=(3)16×100%=(4)15×18.0%= (5)9×112%= (6)5×24%=(6)1.8÷36%= (7)0.3+120%= (8)0.798÷21%= (7)1-68%= (8)25%+3.72= (9)37.2÷6.2%= (10)180%÷9= (11)120 (1)(-5)×6×(-10)×(-8)(2)19又18/17×(-36)(3)(3/2-6/5-8/5)×(-24)(4)-3-(+7)(5)(-52)+(-19)-(+37)-(-24)(6)(-3/2)-(+3/2)-(+4/3)-(-4/3)=多少要过程的 5(x-6)=x+24 解方程:6x(7-x)=36-2x(3x-5) (x+6)(x-5)-(x-1)(x+4)=-24解方程:6x(7-x)=36-2x(3x-5)(x+6)(x-5)-(x-1)(x+4)=-24额、这是两道题……(1)6x(7-x)=36-2x(3x-5)(2)(x+6)(x-5)- 9 ( ) 25 9 ( ) 36 12 6 ( )( )— = — = — — = — = — — = — = — = —5 27 ( ) 10 20 ( ) 24 ( ) 8 ( ) (1/3/12+2/6/24+3/9/36+4/12/48)/(2/3/5+4/6/10+6/9/15+8/12/20)=? (1/3/12+2/6/24+3/9/36+4/12/48)/(2/3/5+4/6/10+6/9/15+8/12/20)=? 8 :15 = 24 :( ) 0.75 :1 = ( ):4 0.2 :1.58 :15 = 24 :( ) 0.75 :1 = ( ):40.2 :1.5 = 2 :( ) 1/2 :3/4 = 2 :( )2/5 :1/6 = ( ):5 (-24)÷6-(-5)×(-2)= 3:12=6除24=0.25=几分之36=()% (-2/1+6/1-8/3+12/5)x(-24) = = 36/X-36/(X+1/5X)=1 24×(75%-6分之1)= (-24)*(-6分之5)-(-25)*(-4又5分之1)=