13 + 6 = 22 + 5 = 27 - 6 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________18 + 6 = 23 + 7 = 35 - 8 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________44 + 6 = 37 + 8 = 23 - 6 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________27 + 5 = 15 + 7 = 55 - 8 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________24 + 9 = 49 - 6 = 36 - 9 = 先算:________________ 先算:________________ 先算:________________18 + 9 = 24 - 5 = 17 - 6 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________25 + 6 = 27 - 8 = 31- 6 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________27 + 5 = 43 - 9 = 43 - 5 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________24 + 6 = 23 + 5 = 44 - 6 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________ 11 + 6 = 14 + 7 = 42 - 8 =再算:________________ 再算:________________ 再算:________________15 + 6 = 18 + 8 = 34 - 6 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________12 + 5 = 16 + 7 = 26 - 8 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________15 + 9 = 38 - 6 = 33 - 9 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________11 + 9 = 35 - 5 = 31 - 6 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________53 + 6 = 26 - 8 = 26- 6 =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________16 + 5 = 24 - 9 = 26 - 5 =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________13 + 6 + 4 = 12 + (5 + 3) = 17 – (6 + 7) =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________13 + (6 + 4) = 12 + 5 + 3 = 17 – 6 + 7 =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________3 + 6 +4 = 2 + (5 + 3) = 17 – (6 + 7) =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________3 + 6 +4 = 2 +5 + 3 = 7 –6 +7 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________3 + 6 +4 = 2 + (5 + 3) = 17 –6 +7 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________13 + 6 + 4 = 12 + (5 + 3) = 17 – (6 + 7) =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________13 + 6 + 4 = 12 + (5 + 3) = 17 – 6 +7 =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________13 + 7 + 4 = 12 + 8 + 3 = 17 – 4 + 7 =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________13 + 9 + 4 = 12 + 7 + 3 = 17 – 1 + 7 =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________15 + 6 + 4 = 18 + 5 + 3 = 16 – 6 + 7 =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________10 + 6 + 4 = 7 + 5 + 3 = 10 – 6 + 7 = 先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________13 + 6 + 4 = 17 + 5 + 3 = 16 – 6 + 7 =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________43 + 6 + 4 = 22 + 5 + 3 = 47 – 6 + 7 =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________43 + 6 + 4 = 22 + 5 + 3 = 47 – 6 + 7 =先算:________________ 先算:________________ 先算:________________再算:________________ 再算:________________ 再算:________________THANKS !!!致力为企业和个人提供合同协议，策划案计划书，学习课件等等打造全网一站式需求欢迎您的下载，资料仅供参考。