Page 11 - 바빠교과서연산_1-2_정답

정답과 풀이
정답

④ 9 - 2 - 4 = 3 ⑧ 9 - 2 - 3 = 4 ④ 9 - 4 - 2 = 3 ⑧ 9 - 2 - 5 = 2
9 7 9 7 5 7
- 2 - 4 - 2 - 3
3 2
7 3 7 4

39단계 94쪽
38단계 92쪽
① 1 ② 3 ③ 1 ④ 1 ⑤ 4
① 7 - 2 - 3 = 2 ⑤ 5 - 1 - 2 = 2
7 5 5 4 ⑥ 0 ⑦ 3 ⑧ 0 ⑨ 1 ⑩ 1
- 2 - 3 - 1 - 2
⑪ 0
5 2 4 2

② 6 - 1 - 4 = 1 ⑥ 8 - 2 - 3 = 3 40단계 95쪽
6 5 8 6
- 1 - 4 - 2 - 3
① 11 ② 12, 13, 14 / 14
5 1 6 3
③ 11, 12, 13 / 13 ④ 12 / 12
③ 8 - 2 - 2 = 4 ⑦ 6 - 3 - 1 = 2
⑤ 10, 11, 12 / 12
8 6 6 3
- 2 - 2 - 3 - 1
6 4 3 2 40단계 96쪽
④ 7 - 3 - 1 = 3 ⑧ 9 - 1 - 4 = 4 ① 11 / 11 ② 14 / 14 ③ 13 / 13
7 4 9 8
④ 13 / 13 ⑤ 11 / 11 ⑥ 14 / 14
- 3 - 1 - 1 - 4
4 3 8 4

41단계 97쪽
39단계 93쪽
① 10 ② 7 ③ 6
① 5 - 3 - 1 = 1 ⑤ 6 - 1 - 2 = 3 ④ 5 ⑤ 4 ⑥ 8, 10
2 5 ⑦ 3, 10 ⑧ 9, 1

1 3
41단계 98쪽
② 6 - 2 - 3 = 1 ⑥ 7 - 4 - 2 = 1
4 3 ① 7 / 7 ② 3 / 3 ③ 5 / 5
1 1 ④ 2 / 2 ⑤ 6 / 6 ⑥ 1 / 1

③ 8 - 1 - 2 = 5 ⑦ 8 - 5 - 1 = 2
42단계 99쪽
7 3
5 2 ① 10 ② 10 ③ 10 ④ 1 ⑤ 3
⑥ 2 ⑦ 8 ⑧ 4 ⑨ 10 ⑩ 5
⑪ 9 ⑫ 6 ⑬ 7 ⑭ 10 ⑮ 4

153