北师大版小学数学四年级下册解方程题集.docx

北师大版小学数学四年级下册解方程题集 There are a few formatting errors in the given text, but they can be easily corrected. The given equations are a mix of algebraic equations and word problems. Some of the equations are already solved, while others need to be solved. Lets correct the formatting errors and rewrite t