Page 13 - 바빠 교과서 연산_2-2_정답

정답과 풀이
정답

46단계 107쪽 ⑩ 4, 72

① 1, 30 ② 1, 20 ③ 1, 42
49단계 113쪽
④ 1, 28 ⑤ 5, 23 ⑥ 2, 24
⑦ 2, 11 ⑧ 1, 25 ⑨ 4, 41 ① 2, 12 ② 2, 36 ③ 3, 25

⑩ 6, 45 ④ 2, 80 ⑤ 2, 95 ⑥ 4, 48
⑦ 3, 81 ⑧ 1, 20

46단계 108쪽
49단계 114쪽
① 2, 30 ② 1, 60 ③ 3, 34
④ 3, 12 ⑤ 2, 34 ⑥ 1, 41 ① 3, 30 ② 1, 33 ③ 2, 33

⑦ 4, 32 ⑧ 2, 11 ⑨ 4, 16 ④ 2, 14 ⑤ 2, 23 ⑥ 3, 68
⑩ 3, 9 ⑦ 3, 48 ⑧ 3, 57

47단계 109쪽 50단계 115쪽

① 1, 20 ② 1, 30 ③ 3, 33 ① 2, 44 ② 305
④ 3, 22 ⑤ 4, 44 ⑥ 2, 32 ③ ⑴ 10, 57 ⑵ 2, 33

47단계 110쪽 50단계 116쪽

① 6, 15 ② 2, 32 ③ 2, 24
④ 5, 23 ⑤ 4, 24 ⑥ 5, 16
300 cm=30 m 740 cm=7 m 40 cm

48단계 111쪽
2 m 40 cm
5 m=500 cm + 1 m 32 cm 3 m 9 cm=390 cm
① 1, 90 ② 1, 40 ③ 3, 53 3 m 72 cm
④ 1, 74 ⑤ 3, 81 ⑥ 2, 85
4 m 20 cm 2 m 53 cm
⑦ 1, 72 ⑧ 1, 76 ⑨ 4, 41 - 2 m 50 cm 605 cm=6 m 5 cm + 3 m 70 cm
2 m 70 cm 5 m 23 cm
⑩ 2, 63

3 m 25 cm
48단계 112쪽 1 m 85 cm=185 cm - 1 m 90 cm 간식
1 m 35 cm
① 2, 70 ② 2, 78 ③ 2, 72

④ 5, 23 ⑤ 2, 72 ⑥ 83
⑦ 3, 73 ⑧ 5, 93 ⑨ 7, 93

147