24:( )=2:( )=8:5=( ):40=( ):( )
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24:()=2:()=8:5=():40=():()24:()=2:()=8:5=():40=():()24:()=2:()=8:5=():40=():()24:15=2:1.25=8:5=64:40
24:( )=2:( )=8:5=( ):40=( ):( )
24:( )=2:( )=8:5=( ):40=( ):( )
24:( )=2:( )=8:5=( ):40=( ):( )
24:15=2:1.25=8:5=64:40=56:35 本题看到一个出现了的8:5应该是很好做的,也可能是我的理解有问题,你全题是什么?
24:( )=2:( )=8:5=( ):40=( ):( )
0.2比4/5=8比()=()比24=2/()=()%=()折
0.4:5分之4=8:( )=( ):24=( )分之2=( )%=( )折
计算:24×(5/8+5/6)=?0.85×【3/8×(12/6+2)】=?
8乘(2x-5)=24解方程
( )/24=( )/8=45/( )=9*( )/32 ( )/5<2/3<( )/5
( )除24=5/8=()/16=20/()=()填小数
20/( )=( ):24=5:8=( ):40=( )%
8:5=24:()=():25=32÷()=50分之()
8/( )=4:5=24:( )=( )/35=( )%
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
(-2/1+6/1-8/3+12/5)x(-24) = =
多少分之20=():24=5:8=():40=()%
8分之5=()比()=()%=()折=()除24=40分之()
0.4:4/5=8:( )=( );24 又( )/2=( )% 不仅要求答案还要求如何做?
2(5+X)=24
1,5,5,5和3,3,7,7运用混合运算=24如2,2,8,8 =(8-2)×(8÷2)=243,3,7,7= =24
用简便算法 0.635×(-7)+0.635×11-0.635×4 =0 (-2|5)×(-4|5)-(-8|25)×24 =0.635×(-7)+0.635×11-0.635×4 = (-2|5)×(-4|5)-(-8|25)×24 =