Page 8 - 바빠 교과서 연산_5-1_정답
P. 8
정답
18 27 36 14 21 28 27 18 9 6 3
⑪ , , ⑫ , , ⑪ , , , ,
28 42 56 30 45 60 36 24 12 8 4
25단계 63쪽 27단계 67쪽
① 6, 3 ② 9, 6, 3 ③ 18, 9 3 3 4
① 1 ② ③ ④
④ 5, 3, 1 ⑤ 21, 14, 7 ⑥ 8, 4, 2, 1 5 4 7
4 1 1 2
⑤ ⑥ ⑦ ⑧
5 2 2 7
25단계 64쪽
⑨ 1 ⑩ 4 ⑪ 1
3 5 4
4 4 2
① 2, 1 ② 6, ③ ,
6 10 5
3 1 6 4 8 4 27단계 68쪽
④ , ⑤ , ⑥ ,
9 3 15 10 16 8
2 5 1 2
3 2 8 4 16 8 ① ② ③ ④
⑦ , ⑧ , ⑨ , 7 8 2 5
18 12 20 10 24 12
2 1 2 3
12 8 15 9 7 2 ⑤ ⑥ ⑦ ⑧
⑩ , ⑪ , ⑫ , 7 2 9 7
27 18 20 12 35 10
1 1 4 3
⑨ ⑩ ⑪ ⑫
5 3 7 5
26단계 65쪽
① 2, 1 ② 3, 1 ③ 3, 2, 1 28단계 69쪽
④ 4, 2, 1 ⑤ 8, 4, 2 ⑥ 7, 2, 1 24 20
① 3, 4 ② 12, 5 ③ ,
⑦ 14, 7 ⑧ 27, 18, 9 ⑨ 15, 6, 3 32 32
⑩ 21, 9, 3 ⑪ 28, 14, 7 ⑫ 25, 15, 5 ④ 14 , 6 ⑤ 9 , 30 ⑥ 40 44
,
21 21 54 54 55 55
27 56 50 18 12 15
,
,
,
26단계 66쪽 ⑦ 72 72 ⑧ 60 60 ⑨ 1 18 18
20 12 20 26
4 ⑩ , 2 ⑪ 3 , 3
① 6, 3 ② 8, 48 48 65 65
5
2 1 6 4 2
③ , ④ , ,
12 6 15 10 5 28단계 70쪽
9 3 12 4
⑤ , ⑥ , 5 6 8 3 7 12
12 4 15 5 ① , ② , ③ ,
10 10 12 12 42 42
20 8 4 14 4 2
⑦ , , ⑧ , , 12 24 18 20 6 20
25 10 5 35 10 5 ④ , ⑤ , ⑥ ,
32 32 45 45 24 24
35 14 7 16 8 4 2
⑨ , , ⑩ , , , 15 20 13 20 40 42
50 20 10 24 12 6 3 ⑦ , ⑧ , ⑨ 2 ,
50 50 26 26 48 48
142