小学数学解方程练习题18页.docx

小学数学解方程练习题18 + 11x = 9514 13 - x = 17119 x + 14 = 331 + 80 x = 560 x - 1 = 2x 18 - 8 = 24412 19 - x = 21850 x - 7 = 3x 2 - 5 = 49 17 + x = 165x + 2 1 = 6x 9 + 3 = 1213 - 12x = 12 - 6 x = 12 10 - x = 166 15 - x = 7613 + x 1 = 2010 8 - x = 6852 13 + x = 16x - 16 8 = 17x - 169 13 = 018 x + 13 = 1410 - 14 x = 317 + x 12 = 197x 11 - 9 = 21 1 + x = 21108 x + 9 = 2118 1 - x = 317 19 + x = 341