Page 8 - 바빠교과서연산_1-2_정답

정답

28단계 70쪽 ⑥ 77 ⑦ 42 ⑧ 22 ⑨ 0 ⑩ 31
⑪ 34 ⑫ 52
① 5 7 ⑤ 9 9 ⑨ 7 6

- 2 2 - 5 3 - 4 2
3 5 4 6 3 4 31단계 75쪽
② 4 8 ⑥ 9 6 ⑩ 9 7 ① 10 ② 34 ③ 42 ④ 53 ⑤ 32
- 2 6 - 2 1 - 3 4 ⑥ 62 ⑦ 31 ⑧ 54 ⑨ 34 ⑩ 63
2 2 7 5 6 3
⑪ 5
③ 5 9 ⑦ 6 6 ⑪ 8 9
- 3 4 - 3 5 - 3 2
31단계 76쪽
2 5 3 1 5 7
① ④
④ 7 7 ⑧ 8 7 ⑫ 9 8
41 10 44 33
- 2 3 - 1 4 - 6 5 12 43 40 51
53 84
5 4 7 3 3 3
20 24
33 60
29단계 71쪽 ② ⑤
43 52 10 2
① 23 ② 21 ③ 33 ④ 27 ⑤ 52 24 15 35 43
67 45
⑥ 42 ⑦ 74 ⑧ 20 ⑨ 24 ⑩ 36 46 12
21 33
⑪ 72
③ ⑥
29단계 72쪽 45 21 51 33
33 57 45 63
78 96
① 23 ② 15 ③ 11 ④ 21 ⑤ 23 14 20
64 76
⑥ 25 ⑦ 41 ⑧ 43 ⑨ 44 ⑩ 42
⑪ 64 ⑫ 13 ⑬ 35 ⑭ 24
32단계 77쪽
30단계 73쪽
① 18, 16, 2 ② 11, 16

① 22 ② 22 ③ 36 ④ 62 ⑤ 32 ③ 25, 12 ④ 12, 14
⑥ 44 ⑦ 57 ⑧ 50 ⑨ 18 ⑩ 53 ⑤ 18, 3 ⑥ 29, 13, 16
⑪ 31 ⑫ 66
32단계 78쪽

30단계 74쪽
① ⑴ 24, 14, 10 ⑵ 12, 10, 20 ⑶ 14, 12, 2
① 21 ② 24 ③ 20 ④ 77 ⑤ 44 ② ⑴ 32, 12, 20 ⑵ 29, 15, 14 ⑶ 15, 11, 4

150