题目

小明解方程﹣=1的过程如图．请指出他解答过程中的错误，并写出正确的解答过程． 答案：【解答】解：小明的解法有三处错误，步骤①去分母有误； 步骤②去括号有误；步骤⑥少检验；正确解法为：方程两边乘以x，得：1﹣（x﹣2）=x，去括号得：1﹣x+2=x，移项得：﹣x﹣x=﹣1﹣2，合并同类项得：﹣2x=﹣3，解得：x={#mathml#}32{#/mathml#}，经检验x={#mathml#}32{#/mathml#}是分式方程的解，则方程的解为x注： recommend推荐；spice(调味)香料【1】Which of the following does The Chocolate Box serve?A. Fish. B. Cakes. C. Seafood. D. Chicken.【2】Why do people go to Last Days of the Raj?A. To show others how brave they will be.B. To enjoy the meal while watching shows.C. To try the dishes there cooked with spices.D. To have meals in the garden all year round.【3】What can people do at A Taste of Tuscany?A. Enjoy a relaxed breakfast.B. Taste dishes cooked in Italy.C. Have a value-for-money lunch.D. Learn to cook pasta and seafood.【4】What is recommended in the text?A. Hot restaurants. B. Special foods.C. Weekend activities. D. The best places to go.