1/5×12÷1/5= 0.25×12.5÷1/32= 2/3×4/9×1/5×12÷1/5= 0.25×12.5÷1/32=2/3×4/9×1/2=6.9+3.1-6.9+3.1=1÷1/2-1/2÷1=3/5+3/5÷3/5+3/5=1÷1/7×1÷1/7=4/5×4/5÷4/5×4/5=
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1/5×12÷1/5= 0.25×12.5÷1/32= 2/3×4/9×1/5×12÷1/5= 0.25×12.5÷1/32=2/3×4/9×1/2=6.9+3.1-6.9+3.1=1÷1/2-1/2÷1=3/5+3/5÷3/5+3/5=1÷1/7×1÷1/7=4/5×4/5÷4/5×4/5=
1/5×12÷1/5= 0.25×12.5÷1/32= 2/3×4/9×
1/5×12÷1/5=
0.25×12.5÷1/32=
2/3×4/9×1/2=
6.9+3.1-6.9+3.1=
1÷1/2-1/2÷1=
3/5+3/5÷3/5+3/5=
1÷1/7×1÷1/7=
4/5×4/5÷4/5×4/5=
1/5×12÷1/5= 0.25×12.5÷1/32= 2/3×4/9×1/5×12÷1/5= 0.25×12.5÷1/32=2/3×4/9×1/2=6.9+3.1-6.9+3.1=1÷1/2-1/2÷1=3/5+3/5÷3/5+3/5=1÷1/7×1÷1/7=4/5×4/5÷4/5×4/5=
12
100
7/27
6.2
1.5
11/5
49
16/25
1/5×12÷1/5= 0.25×12.5÷1/32= 2/3×4/9×1/5×12÷1/5= 0.25×12.5÷1/32=2/3×4/9×1/2=6.9+3.1-6.9+3.1=1÷1/2-1/2÷1=3/5+3/5÷3/5+3/5=1÷1/7×1÷1/7=4/5×4/5÷4/5×4/5=
-4^2÷(-4)×1/4-0.25×(-12)+|-5|
简算要过程4/7÷9+3/7×1/9 [1-(1/8+0.25)]÷5/12=?
要过程4/7÷9+3/7×1/9 [1-(1/8+0.25)]÷5/12=?
(5/18÷1/3+5/18)×0.25=?】
数学计算题:2-(1/3-5/12+3/14-2/7)÷(-1/42)=?(-5/6)÷(-3又1/6)÷【1/24×(-1又1/4)】-0.25÷1/4=?
3/5x=8/15÷5/12.(x+1/2)÷5/24=8/9÷1/63/5x=8/15÷5/12.(x+1/2)÷5/24=8/9÷1/62/5×0.875÷3/10.8/27÷12+1/12×19/275÷1/4-3/8×4/9.(1/6+0.75)÷(8/9-0.4)4-7/18÷8/9+9/16.11/16÷[11/12-(4/5-7/15)]
数学计算题:-5/8÷1/16-0.25÷(-1/5)÷(-1/64)=?
12÷(3/4÷1/5) = =
[(0.75+5/1)÷0.25+5/2]×2/5
①( )个1/6是2又六分之五.②5/( )=( )÷12=0.25=8÷( ).
12÷(3/4÷1/5)=?
3/4×(2.5-1/4)+5/12÷0.25这是计算题
求比值,不过我不会做6:30= 0.75:1.35= 2分之一:3分之8= 0.8=7分之5÷5= 1÷3分之2= 8÷8分之五= 8分之五÷4=13分之5÷65= 20÷12分之五= 4分之1÷0.25= 2分之一×3分之一÷3分之一×2分之一= 1÷3×3分之一= 8分之7÷1
(-18)-0.6 -25.6÷(0.064) 5/4÷(-1) -3又7分之1-1(-18)-0.6 -25.6÷(0.064) 5/4÷(-1) -3又7分之1-12/11 -0.25÷8/3 -4/1÷(1.5)
1又5分之1=( )÷( )=( )分之12
20分只问几题简单的数学题`事后追分计算-91÷13= -56÷(-14)= 16÷(-3)= (-48)÷(-16)= 5/16÷(-1)=-0.25÷3/8=填空1×(-5)= 1÷(-5)= 1+(-5)= 1-(-5)= -1×(-5)= -1÷(-5)= -1×(-5)= -1-(-5)= 计算0.1÷(-0.001)÷(-1)=(-3/4)×(-3/2)÷(-9/4)=-
1/4(x+5)=12.