(-12)×(-5)+(-4)÷2/1
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(-12)×(-5)+(-4)÷2/1
(-12)×(-5)+(-4)÷2/1
(-12)×(-5)+(-4)÷2/1
(-12)×(-5)+(-4)÷2分之1?
=(-12)×(-5)+(-4)x2
=60-8
=52
(-12)×(-5)+(-4)÷2/1
-4^2÷(-4)×1/4-0.25×(-12)+|-5|
能简算要简算3/5÷1/4÷6÷14/1523/25÷(3/4÷2/5)15/16÷(5/12÷5/8+3/8)
-72×(1/4-5/9+12/7)÷(-2)
脱式计算:5/101×1/2÷2/5 12÷14/4×7/8
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=
18-1.5÷3/5 (3/4+1/2)×2/5 12+3/4×2/3
1÷(2÷3)÷(3÷4)÷(4÷5)÷…÷(99÷100),计算
1÷(2÷3)÷(3÷4)÷(4÷5)÷.÷(1999÷2000)=
1+2+3+4+5+6+7+8+9+10÷11÷12×0=?
5/6÷{(3/4+2/3)}÷1/12怎么计算,
1÷(2÷3)÷(3÷4)÷(4÷5)怎么做
选择题 下列正确的是?A.2÷1/4÷1/4=2÷(1/4÷1/40=2÷1=2B.(-15)×(1/3-1/5-1)=-5-3+15=7C.12÷(1/3-1/2)=12÷1/3-12÷1/2=36-24=12D.(-3)÷(-5)×1/5=(-3)×(-1/5)×1/5=3/25 提示:例:1/3 就是三分之一
1:1/5×[1/3÷(1/2+5/6)] 2:1-(1/6×2/5)÷7/9 3:12÷(1-31:1/5×[1/3÷(1/2+5/6)]2:1-(1/6×2/5)÷7/93:12÷(1-3/7)4:4/5×2/3-1/6÷1/25:(1/2+1/3)÷(1-3/8)6:[(1-3/5)×2/3]÷4
4^2÷(-1/4)-5^4÷(-5)^3,
(1/3+2/5)÷4/15 5/7×16.31-2.31÷7/5 4÷2/3-8÷1/12(1/3+2/5)÷4/15=???????????............5/7×16.31-2.31÷7/5???????????......................4÷2/3-8÷1/12=????????????......................
12÷(3/4÷1/5) = =
12÷(3/4÷1/5)=?