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几道七年级题数学; 有理数的乘法运算(1)3/1*(2又3/1-3又2/1+1又6/1)*(-7/6) (2) (-7.

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几道七年级题
数学; 有理数的乘法运算(1)3/1*(2又3/1-3又2/1+1又6/1)*(-7/6) (2) (-7.99)*1又6/1+0.01*(-6/7)+4*2又3/1 英语; 选择题1.( )there water in the cup? A;Is B;Are C;has D;have 2.There( )an orange and two apples on the table. A;are B;has C;is D;have 单句改错 1;Where's Wuhan and changsha? ( ) 2;where'er the flowers? It's on the table. ( ) 3;I need my hat. Please take it here.( ) 4;It's on the floor,between the bookcase or the desk. 5; we aren't kown his name.
几道七年级题数学; 有理数的乘法运算(1)3/1*(2又3/1-3又2/1+1又6/1)*(-7/6) (2) (-7.
数学:1.10/21 2.-1/100
英语:1.A 2.C 3.changsha——Changsha 4.It’s——They are 5.
take——bring 6.or——and 7.aren’t——don’t