题目

解方程： 答案：【答案】【解析】方程去分母，去括号，移项合并，把x系数化为1，即可求出解．解：去分母得：去括号得：移项得：合并同类项得：系数化为1得：．用方框内所给词填空，注意使用正确形式。 knife,   that,   grade,   but,   look小题1:Tom and Jim are in the same school, but in different ____________.小题2:—Does she ____________ like her mother?—Yes, she does.小题3:________ oranges are in the box.小题4:I have two ____________, and they are in my box.小题5:They are sisters, ________ they look different.