8+(-1/4)-5-(-0.25)= 99*26= (-3.5-7.75-4.25)÷1.1=
8+(-1/4)-5-(-0.25)= 99*26= (-3.5-7.75-4.25)÷1.1=
7.75-(4/7+3/5)=?
2:8=0.25=3÷( )=( )分之4=5:( )
能简算要简算:7.8+2又1/4+2.2+7.75=?(50-40)÷0.5=?
12/5×8/3=()÷24/13=()×3/1=()÷26/1=() 2/1×3/1=()÷2/1=()÷9/4=()
()/8=10/5=()÷4=360÷()=()/1
-91÷13= -56÷(-14)= 16÷(-3)= (-48)÷(-16)=?4/5÷(-1)=?-0.25÷3/8
4分之几=6:( )=8÷( )=( ):20=0.25
1÷0.25=?7.9÷0.01=?(2.5+0.9)×0.4=?(1.5+0.25)×4=?
-0.25²÷(-1/2)4^×(-1)27^=
1:( )=8分之( )=0.25=( )÷16=( )%=( )折
24÷1.5-8.4×0.25 1+0.45÷0.9-8分之7 (5分之4-3分之2)X=12 0.4X+4×1.7=1