题目

计算 (1) 5x﹣2=2x+1(解方程); (2) 答案:解:5x﹣2=2x+1, 移项得5x-2x=1+2, 合并同类项得3x=3, 系数化1得x=1 解: −14−[1−(1−0.5×13)]×6 =−1−[1−(1−16)]×6 =−1−[1−56]×6 =−1−16×6 =−1−1 =−2 .She always thinks of ____ she can do more for her students. A.what B.how C.if D.whatever
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