Page 4 - 바빠 교과서 연산_5-1_정답
P. 4
정답
07단계 23쪽 ② 56Ö(13-6)+6*8= 56
1 7
① 25+4*7-20Ö4= 48
2 8
1 28 3 48
2 5
3 53 4 56
4 48 ③ 21-(15+25)*2Ö16= 16
② 40-39Ö3*2+8= 22 1 40
1 13 2 80
2 26 3 5
3 14 4 16
4 22 ④ 57 ⑤ 31 ⑥ 40 ⑦ 12 ⑧ 80
③ 30Ö5+9*4-29= 13
08단계 26쪽
1 6
2 36 ① 61 ② 21 ③ 7 ④ 34 ⑤ 32
3 42 ⑥ 23 ⑦ 60 ⑧ 68 ⑨ 80 ⑩ 70
4 13
09단계 27쪽
④ 48 ⑤ 65 ⑥ 14 ⑦ 40 ⑧ 14
① 9 ② 18 ③ 18 ④ 77 ⑤ 63
07단계 24쪽 ⑥ 2 ⑦ 43 ⑧ 24 ⑨ 37 ⑩ 14
① 34 ② 12 ③ 41 ④ 19 ⑤ 24
09단계 28쪽
⑥ 29 ⑦ 46 ⑧ 64 ⑨ 46 ⑩ 53
① 23, >, 7 ② 80, >, 5 ③ 40, <, 49
08단계 25쪽 ④ 51, >, 3 ⑤ 66, >, 12 ⑥ 14, >, 9
① 30-8*(15Ö5)+7= 13
10단계 29쪽
1 3
① 16, 15, 7, 24 / 24 ② 24, 9, 6, 9 / 9
2 24
③ 12, 2, 3, 8 / 8 ④ 30, 6, 8, 2, 2 / 2
3 6
4 13
138