三年级上册数学80以内连加强化训练100题

三年级上册数学80以内连加强化训练100题

  • 简介

    23 + 21 + 33 = 25 + 12 + 11 = 56 + 14 + 3 = 40 + 12 + 10 = 28 + 5 + 36 = 26 + 14 + 13 = 39 + 19 + 5 = 11 + 15 + 11 = 50 + 15 + 9 = 42 + 20 + 15 = 48 + 19 + 8 = 26 + 33 + 14 = 48 + 28 + 4 = 32 + 18 + 18 = 35 + 34 + 3 = 42 + 19 + 17 = 15 + 61 + 4 = 35 + 27 + 18 = 45 + 8 + 9 = 19 + 45 + 11 =

三年级上册数学80以内连加强化训练100题