(1)9/2÷27=6/2÷18=3/2÷9=1/2÷()=()÷()=
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(1)9/2÷27=6/2÷18=3/2÷9=1/2÷()=()÷()=(1)9/2÷27=6/2÷18=3/2÷9=1/2÷()=()÷()=(1)9/2÷27=6/2÷18=3/2÷9=1/2÷(
(1)9/2÷27=6/2÷18=3/2÷9=1/2÷()=()÷()=
(1)9/2÷27=
6/2÷18=
3/2÷9=
1/2÷()=
()÷()=
(1)9/2÷27=6/2÷18=3/2÷9=1/2÷()=()÷()=
(1)9/2÷27=9/2×1/27=1/6
6/2÷18=6/2×1/18=1/6
3/2÷9=3/2×1/9=1/6
1/2÷(3)=1/2×1/3=1/6
(27/2)÷(81)=27/2×1/81=1/6
规律:被除数和除数同时扩大或缩小相同的倍数(0除外),商不变.
(1)9/2÷27=6/2÷18=3/2÷9=1/2÷()=()÷()=
5/18×9÷5/18×27 7/9÷6/5+2/9÷6/5 【1-(1/3+1/9)】÷25/36
如果:4÷2=14 5÷3=22 3÷5=4 7÷18=31 那么:6÷9=()
计算各题.(有补充哦!)(1)8分之5÷20分之3×40=?(2)18分之17×27分之14÷27分之28=?(3)7分之1÷9分之1×7=?(4)13分之6÷26分之9×18=?(注意下下哦,顺便在答案前写上序号.)
1/2÷(-4/7)=-2 4÷(-24)=-1/6 -18÷(-3)=-6 6÷(-1/3)=-9 这四个里面有几个对的啊?
(1)√18÷√2= (2)√18÷√8= (3)√12/2=(1)√18÷√2= (2)√18÷√8= (3)√12/2= (4)3/√6= (5)√2/3√40 = (6)√9/49=
(1×2×4+2×4×8+3×6×12+……+6×12×24)÷(1×3×9+2×6×18+3×9×27+……+6×18×54)=?
2/3x÷3/4=18 2-6/13÷9/39-2/3
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)]
-6*(+6)= -1/3*27= 8÷(-16)= -25÷(-2/3)=
9 ÷ 3(2+1) 9 ÷ 3(2+1) = 9 ÷(3x2+3x1)= 9 ÷ (6+3) = 9÷9 = 1
计算:27^2*9÷(-3)^18
1÷(1÷2)÷(2÷3)÷(3÷4)÷.÷(8÷9)÷(9÷10)=?
2/9÷18=1/6x解方程
解方程:2/9÷18=1/6x
大家帮我看看这道数学题,对不计算(-18)÷6=-(18÷6)=-3(2)(-63)÷(-7)=9(3)1÷9=1(4)0÷(-8)=0大家说对么?
(√18-√27)÷√6+8√(1/2)=多少?
( 2√48-3√27)÷6=