8ⅹ8ⅹ8ⅹ人成免费观
@奚纪5632:8.4÷[(2.7 - 1.2)ⅹ8] -
湛琬17250038847…… 8.4÷[(2.7-1.2)ⅹ8]=8.4÷(1.5x8)=8.4÷12=0.7
@奚纪5632:杭州公交卡的种类和区别 -
湛琬17250038847…… 杭州公交卡的种类和区别: 杭州公交A卡:是成人优惠卡.杭州A卡乘坐范围:除校线、专线、游览线、假日线、5ⅹⅹ、6ⅹⅹ、8ⅹⅹ、9ⅹⅹ路以外的所有公交线路.杭州A卡乘车价格:按线路客票价格的50%扣费.杭州B卡:是学生...
@奚纪5632:37.5%ⅹ5/12+7/12x3/8 -
湛琬17250038847…… 37.5%ⅹ5/12+7/12x3/8 =3/8ⅹ5/12+7/12x3/8 =3/8ⅹ(5/12+7/12) =3/8x1 =3/8
@奚纪5632:0.75x1.79 - 0.25ⅹ3X0.79 -
湛琬17250038847…… 0.75x1.79-0.25ⅹ3X0.79=0.75x1.79-0.75x0.79=0.75x(1.79-0.79)=0.75x1=0.75
@奚纪5632:13ⅹ - 8ⅹ=4.8? -
湛琬17250038847…… 13ⅹ-8ⅹ=4.8计算过程如下 13ⅹ-8ⅹ=4.8 5x=4.8 x=4.8÷5 =0.98
@奚纪5632:49ⅹ8≈多少? -
湛琬17250038847…… 因为49÷8=6.125,所以结果是,约等于6.
@奚纪5632:2ⅹ一l/9=3/4 3ⅹ(Ⅹ+9/10)=3.5? -
湛琬17250038847…… 2ⅹ一l/9=3/4 2x=3/4+1/9 2x=31/36 x=31/42 3ⅹ(Ⅹ+9/10)=3.5 3x+27/10=3.5 3x=3.5-2.7 3x=4/5 x=4/15
@奚纪5632:128ⅹ(X 5)=399 X=? -
湛琬17250038847…… 128ⅹ(X+5)=399128X+640=399128X=399-640 X=-241÷128 X=-1.8828125
@奚纪5632:5/8ⅹ4/3 5/8÷3/4 -
湛琬17250038847…… 5/8*4/3=5*4/8*3=5/6 5/8÷3/4=5/8*4/3=5*4/8*3=5/6
@奚纪5632:8ⅹ3十8=8ⅹ囗? -
湛琬17250038847…… 8ⅹ3十8=8ⅹ4 过程: 8ⅹ3十8 =8ⅹ(3十1) =8ⅹ4 这是考查乘法分配律的运用.
湛琬17250038847…… 8.4÷[(2.7-1.2)ⅹ8]=8.4÷(1.5x8)=8.4÷12=0.7
@奚纪5632:杭州公交卡的种类和区别 -
湛琬17250038847…… 杭州公交卡的种类和区别: 杭州公交A卡:是成人优惠卡.杭州A卡乘坐范围:除校线、专线、游览线、假日线、5ⅹⅹ、6ⅹⅹ、8ⅹⅹ、9ⅹⅹ路以外的所有公交线路.杭州A卡乘车价格:按线路客票价格的50%扣费.杭州B卡:是学生...
@奚纪5632:37.5%ⅹ5/12+7/12x3/8 -
湛琬17250038847…… 37.5%ⅹ5/12+7/12x3/8 =3/8ⅹ5/12+7/12x3/8 =3/8ⅹ(5/12+7/12) =3/8x1 =3/8
@奚纪5632:0.75x1.79 - 0.25ⅹ3X0.79 -
湛琬17250038847…… 0.75x1.79-0.25ⅹ3X0.79=0.75x1.79-0.75x0.79=0.75x(1.79-0.79)=0.75x1=0.75
@奚纪5632:13ⅹ - 8ⅹ=4.8? -
湛琬17250038847…… 13ⅹ-8ⅹ=4.8计算过程如下 13ⅹ-8ⅹ=4.8 5x=4.8 x=4.8÷5 =0.98
@奚纪5632:49ⅹ8≈多少? -
湛琬17250038847…… 因为49÷8=6.125,所以结果是,约等于6.
@奚纪5632:2ⅹ一l/9=3/4 3ⅹ(Ⅹ+9/10)=3.5? -
湛琬17250038847…… 2ⅹ一l/9=3/4 2x=3/4+1/9 2x=31/36 x=31/42 3ⅹ(Ⅹ+9/10)=3.5 3x+27/10=3.5 3x=3.5-2.7 3x=4/5 x=4/15
@奚纪5632:128ⅹ(X 5)=399 X=? -
湛琬17250038847…… 128ⅹ(X+5)=399128X+640=399128X=399-640 X=-241÷128 X=-1.8828125
@奚纪5632:5/8ⅹ4/3 5/8÷3/4 -
湛琬17250038847…… 5/8*4/3=5*4/8*3=5/6 5/8÷3/4=5/8*4/3=5*4/8*3=5/6
@奚纪5632:8ⅹ3十8=8ⅹ囗? -
湛琬17250038847…… 8ⅹ3十8=8ⅹ4 过程: 8ⅹ3十8 =8ⅹ(3十1) =8ⅹ4 这是考查乘法分配律的运用.