Page 5 - 바빠 교과서 연산_5-1_정답

정답

10단계 30쪽 12단계 36쪽

① 10 ② 6 ③ 4 ④ 2 ⑤ Ö ① 1, 2, 4, 5, 10, 20 ② 1, 5, 7, 35

③ 1, 2, 11, 22 ④ 1, 3, 7, 9, 21, 63
⑤ 1, 2, 4, 13, 26, 52 ⑥ 1, 7, 49
⑦ 1, 2, 3, 4, 6, 9, 12, 18, 36

⑧ 1, 2, 4, 5, 8, 10, 20, 40
.
둘째 마당 약수와 배수 ⑨ 1, 2, 3, 4, 6, 8, 12, 16, 24, 48
⑩ 1, 2, 4, 8, 16, 32, 64
11단계 33쪽
① 2, 4 / 1, 2, 4 13단계 37쪽

② 4, 8 / 1, 2, 4, 8
① 2, 4, 6, 8 ② 5, 10, 15, 20
③ 2, 7, 14 / 1, 2, 7, 14
③ 6, 12, 18, 24 ④ 8, 16, 24, 32
④ 3, 7, 21 / 1, 3, 7, 21
⑤ 9, 18, 27, 36 ⑥ 11, 22, 33, 44
⑤ 4, 8, 16 / 1, 2, 4, 8, 16
⑦ 13, 26, 39, 52 ⑧ 14, 28, 42, 56
⑥ 4, 8, 16, 32 / 1, 2, 4, 8, 16, 32
⑨ 25, 50, 75, 100 ⑩ 30, 60, 90, 120

⑪ 32, 64, 96, 128
11단계 34쪽

① 5, 10 / 1, 2, 5, 10 13단계 38쪽
② 3, 4, 6, 12 / 1, 2, 3, 4, 6, 12
① 3, 6, 9, 12, 15 ② 4, 8, 12, 16, 20
③ 3, 6, 9, 18 / 1, 2, 3, 6, 9, 18
③ 7, 14, 21, 28, 35 ④ 12, 24, 36, 48, 60
④ 4, 6, 8, 12, 24 / 1, 2, 3, 4, 6, 8, 12, 24
⑤ 15, 30, 45, 60, 75 ⑥ 16, 32, 48, 64, 80
⑤ 5, 6, 10, 15, 30 / 1, 2, 3, 5, 6, 10, 15, 30
⑦ 20, 40, 60, 80, 100 ⑧ 24, 48, 72, 96, 120
⑨ 27, 54, 81, 108, 135
12단계 35쪽
⑩ 35, 70, 105, 140, 175
① 1, 3, 9 ② 1, 3, 5, 15
③ 1, 2, 4, 7, 14, 28 ④ 1, 3, 13, 39 14단계 39쪽
⑤ 1, 3, 5, 9, 15, 45 ⑥ 1, 2, 5, 10, 25, 50
① ◯ ② * ③ ◯ ④ ◯ ⑤ *
⑦ 1, 2, 4, 11, 22, 44 ⑧ 1, 3, 9, 27, 81
⑥ ◯ ⑦ * ⑧ ◯ ⑨ * ⑩ ◯
⑨ 1, 2, 3, 6, 7, 14, 21, 42
⑪ ◯ ⑫ *
⑩ 1, 2, 4, 7, 8, 14, 28, 56

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