Page 6 - 바빠 교과서 연산_5-1_정답

정답

14단계 40쪽 ⑦ 7, 2, 7 / 28 ⑧ 11, 3, 11 / 22

① 4, 12에 ◯표 ② 9, 21에 ◯표
17단계 45쪽
③ 20, 30에 ◯표 ④ 6, 24에 ◯표
⑤ 6, 18에 ◯표 ⑥ 4, 64, 100에 ◯표 ① 2 ② 3 ③ 2, 4
⑦ 27, 63에 ◯표 ⑧ 6, 8, 48에 ◯표 ④ 3, 6 ⑤ 3, 9 ⑥ 5, 10

⑨ 4, 96에 ◯표 ⑦ 2, 7, 14 ⑧ 2, 3, 6

15단계 41쪽 17단계 46쪽

① 1, 2, 4 / 1, 2, 3, 6 / 1, 2 ① 6 ② 6 ③ 15 ④ 8 ⑤ 6

② 1, 2, 4, 8 / 1, 2, 3, 4, 6, 12 / 1, 2, 4 ⑥ 8 ⑦ 15 ⑧ 14
③ 1, 2, 5, 10 / 1, 3, 5, 15 / 1, 5
④ 1, 2, 4, 8, 16 / 1, 2, 3, 4, 6, 8, 12, 24 / 18단계 47쪽
1, 2, 4, 8
① 4 ② 18 ③ 15 ④ 13 ⑤ 12
⑤ 1, 3, 9, 27 / 1, 3, 5, 9, 15, 45 / 1, 3, 9
⑥ 7 ⑦ 26
⑥ 1, 2, 4, 5, 8, 10, 20, 40 / 1, 2, 5, 10, 25, 50 /
1, 2, 5, 10
18단계 48쪽

15단계 42쪽 ① 12 ② 16 ③ 8 ④ 30 ⑤ 13

① 1, 3 / 3 ② 1, 2, 4 / 4 ⑥ 28
③ 1, 2, 4, 8 / 8 ④ 1, 2, 4 / 4
19단계 49쪽
⑤ 1, 3, 9 / 9 ⑥ 1, 2, 4, 8, 16 / 16
⑦ 1, 3, 5, 15 / 15 ① 2, 4, 6, 8, 10, 12 / 3, 6, 9, 12, 15, 18 / 6, 12
② 4, 8, 12, 16, 20, 24 / 5, 10, 15, 20, 25, 30 /
16단계 43쪽 20
③ 6, 12, 18, 24, 30, 36 / 10, 20, 30, 40, 50, 60
① 2, 4 ② 3, 9 ③ 2, 5, 10 / 30
④ 2, 7, 14 ⑤ 2, 13, 26 ⑥ 2, 2, 2, 8 ④ 7, 14, 21, 28, 35, 42 / 14, 28, 42, 56, 70, 84
/ 14, 28, 42
⑦ 2, 2, 3, 12
⑤ 8, 16, 24, 32, 40, 48 / 12, 24, 36, 48, 60, 72
/ 24, 48
16단계 44쪽
⑥ 9, 18, 27, 36, 45, 54 / 15, 30, 45, 60, 75, 90
① 5, 3 / 4 ② 3, 3 / 6 ③ 3, 3 / 9 / 45
④ 5, 2 / 10 ⑤ 7, 7 / 14 ⑥ 3, 5 / 15

140