Page 12 - 바빠 교과서 연산_2-2_정답

정답

40단계 96쪽 43단계 101쪽

① 4 ② 7 ③ 3, 70 ① 2, 30 ② 4, 72 ③ 5, 94

④ 5, 30 ⑤ 2, 18 ⑥ 4, 75 ④ 4, 68 ⑤ 7, 84 ⑥ 9, 59
⑦ 2, 96 ⑧ 3, 28 ⑨ 4, 2
⑩ 5, 71 ⑪ 8, 80 ⑫ 6, 5 43단계 102쪽

① 7, 65 ② 5, 89 ③ 9, 77
41단계 97쪽
④ 8, 55 ⑤ 7, 90 ⑥ 9, 81
① 300 ② 600 ③ 800
④ 140 ⑤ 380 ⑥ 265 44단계 103쪽

⑦ 435 ⑧ 371 ⑨ 298 ① 4, 15 ② 5, 4 ③ 5, 29
⑩ 627 ⑪ 563 ⑫ 754
④ 8, 18 ⑤ 7, 38 ⑥ 8, 36
⑦ 10, 19 ⑧ 9, 27 ⑨ 11, 14
41단계 98쪽
⑩ 10, 47
① 500 ② 900 ③ 470
④ 652 ⑤ 381 ⑥ 717 44단계 104쪽
⑦ 290 ⑧ 473 ⑨ 538
① 5, 28 ② 7, 16 ③ 9, 18
⑩ 846 ⑪ 306 ⑫ 902
④ 9, 8 ⑤ 8, 58 ⑥ 8, 19
⑦ 9, 35 ⑧ 9, 37 ⑨ 9, 30
42단계 99쪽
⑩ 8, 31
① 3, 60 ② 4, 63 ③ 4, 86

④ 5, 87 ⑤ 6, 75 ⑥ 6, 67 45단계 105쪽
⑦ 8, 56 ⑧ 5, 99 ⑨ 9, 79
① 3, 79 ② 7, 43 ③ 8, 42
⑩ 11, 87
④ 9, 81 ⑤ 9, 15 ⑥ 9, 10
⑦ 12, 13 ⑧ 11, 62
42단계 100쪽

① 3, 80 ② 5, 85 ③ 5, 79 45단계 106쪽
④ 7, 78 ⑤ 8, 59 ⑥ 6, 49
① 5, 88 ② 6, 74 ③ 7, 95
⑦ 8, 89 ⑧ 12, 98 ⑨ 11, 60
④ 8, 63 ⑤ 9, 70 ⑥ 7, 72
⑩ 14, 71
⑦ 12, 84 ⑧ 13, 95

146