【小升初复习】小学数学公式定律大全

小学数学公式定律大全 目 录 一、图形与几何 ..............................................................................................................1 长方形 ........................................................................................................................................ 1 正方形 ........................................................................................................................................ 1 平行四边形 ................................................................................................................................ 1 三角形 ........................................................................................................................................ 2 梯形 ............................................................................................................................................ 2 圆 ................................................................................................................................................ 3 长方体 ........................................................................................................................................ 4 正方体 ........................................................................................................................................ 4 圆柱 ............................................................................................................................................ 4 圆锥 ............................................................................................................................................ 5 二、数的认识 ..................................................................................................................6 三、算术概念 ..................................................................................................................8 ★ 加法交换律 .............................................................................................................................. 8 ★ 加法结合律 .............................................................................................................................. 8 ★ 乘法交换律 .............................................................................................................................. 8 ★ 乘法结合律 .............................................................................................................................. 8 ★ 乘法分配律 .............................................................................................................................. 8 ★ 减法的性质 .............................................................................................................................. 8 ★ 除法的性质 .............................................................................................................................. 8 ★ 等式 ................................................................................................................. ... ...