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40 qldkoreanlife.com.au FRI. 8. JULY. 980 가로열쇠 1.더러워진자국 2.안마 4.눈으로보아어림잡아헤아림 6.가장잘하는재주 8.지금살고있는세상 10.질서가문란한세상 11.의견을바꾸거나고치지않고굳게버팀 12.소리가나오는근원 13.아내가남편을도움 15.먼윗대의조상 17.사람이모여함께음식을먹음 19.가수,연예인을뽑기위한실기시험 20.상품,비스의수요가많지않은시기 21.등급이나계급이낮아짐 세로열쇠 1.됨됨이가변변하지못하고덜된사람 2.오는사람을나가서맞이함 3.방해가되는장애 5.아주환하게밝은세상 7.지붕을기와로인집 9.기차,비행기에서일을하는사람 11.우리나라최초의국가 12.음악을감상하게하는모임 14.프로듀서 16.밝게비추는데에쓰는등 18.먹는데드는돈 19.남에게지기싫어하는마음 낱말퍼즐 *정답은아래에있습니다. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 김선생 수학 이번호 정답 스도쿠 이번호 정답 낱말퀴즈 이번호 정답 *문제는40p에있습니다. Simplify the followings (1-8) 1 − 8 + ( − 4 − 5) ( 6 , 7 학년 ) 2 5 − ( 3 − 10 ) ( 6 , 7 학년 ) 3 3 × 2 × ( − ) 4 × ( −2 ) 3 ( 8 학년 ) 4 3 − 2 −5 + 2 + 3( − + 5 ) ( 8 학년 ) 5 × ( −3 ) 2 × ( −2 ) 3 × ( −2 ) 2 × 5 ( 9 학년 ) 6 − 3 2 + 4 + 4 −3 − 3 − ( −5 − 2 ) ( 9 학년 ) 7 ( 3 ) 3 × ( −2 ) 2 × ( −4 2 ) 2 ( 10 학년 ) 8 ( −2 3 ) −2 × (3 −3 −3 ) −3 ÷ ( − 2 −5 2 ) 2 ( 10 학년 ) (9) The two positive integers are consecutive and their product is 272. Find the two numbers. 김선생수학알제브라연습문제 (268) ( Exercise of Algebra ) ( Answer ) 1 − 8 + − 4 − 5 = − 8 + − 9 = − 8 − 9 = − 17 2 5 − 3 − 10 = 5 − −7 = 5 + 7 = 12 3 3 × 2 × ( − ) 4 × ( −2 ) 3 = 3 × 2 × 4 × − 8 3 = − 24 5 5 4 3 − 2 −5 + 2 + 3( − + 5 ) = 3 + 10 − 4 − 3 + 15 = 10 + 11 5 × ( −3 ) 2 × ( −2 ) 3 × ( −2 ) 2 × 5 = × 9 2 × − 8 × 3 × 4 × 2 × 5 = 9 × − 8 × 4 × 5 1+3+1 2+2+1 = − 1440 5 5 6 − 3 2 + 4 + 4 −3 − 3 − ( −5 − 2 ) = −6 − 12 − 12 − 12 + 5 + 2 = − 6 − 12 + 5 + − 12 − 12 + 2 = −13 − 22 7 ( 3 ) 3 × ( −2 ) 2 × ( −4 2 ) 2 = 27 3 3 × 4 2 2 2 × 16 2 4 = (27 × 4 × 16) 3+2 3+2+2 2+4 = 1728 5 7 6 8 ( −2 3 ) −2 × (3 −3 −3 ) −3 ÷ ( − 2 −5 2 ) 2 = −2 × −2 3 × −2 × 3 −3 −3 × −3 −3 × −3 ÷ (( − 2) 2 −5 × 2 2 × 2 ) = (3 −3 ÷ ( − 2) 2 ) 4 −6 9 9 ÷ ( −10 4 ) = (1/108) 4+9− ( −10 ) −6+9−4 = (1/108) 23 −1 (9) rewrite 272 as product of its factors 272 = 2 × 136 = 4 × 68 = 8 × 34 = 16 × 17 Among product above, 16 and 17 are two consecutive integers. The two numbers are 16 and 17. Simplify the followings (1-8) 1 − 8 + ( − 4 − 5) ( 6 , 7 학년 ) 2 5 − ( 3 − 10 ) ( 6 , 7 학년 ) 3 3 × 2 × ( − ) 4 × ( −2 ) 3 ( 8 학년 ) 4 3 − 2 −5 + 2 + 3( − + 5 ) ( 8 학년 ) 5 × ( −3 ) 2 × ( −2 ) 3 × ( −2 ) 2 × 5 ( 9 학년 ) 6 − 3 2 + 4 + 4 −3 − 3 − ( −5 − 2 ) ( 9 학년 ) 7 ( 3 ) 3 × ( −2 ) 2 × ( −4 2 ) 2 ( 10 학년 ) 8 ( −2 3 ) −2 × (3 −3 −3 ) −3 ÷ ( − 2 −5 2 ) 2 ( 10 학년 ) (9) The two positive integers are consecutive and their product is 272. Find the two numbers. 김선생수학알제브라연습문제 (268) ( Exercise of Algebra ) ( Answer ) 1 − 8 + − 4 − 5 = − 8 + − 9 = − 8 − 9 = − 17 2 5 − 3 − 10 = 5 − −7 = 5 + 7 = 12 3 3 × 2 × ( − ) 4 × ( −2 ) 3 = 3 × 2 × 4 × − 8 3 = − 24 5 5 4 3 − 2 −5 + 2 + 3( − + 5 ) = 3 + 10 − 4 − 3 + 15 = 10 + 11 5 × ( −3 ) 2 × ( −2 ) 3 × ( −2 ) 2 × 5 = × 9 2 × − 8 × 3 × 4 × 2 × 5 = 9 × − 8 × 4 × 5 1+3+1 2+2+1 = − 1440 5 5 6 − 3 2 + 4 + 4 −3 − 3 − ( −5 − 2 ) = −6 − 12 − 12 − 12 + 5 + 2 = − 6 − 12 + 5 + − 12 − 12 + 2 = −13 − 22 7 ( 3 ) 3 × ( −2 ) 2 × ( −4 2 ) 2 = 27 3 3 × 4 2 2 2 × 16 2 4 = (27 × 4 × 16) 3+2 3+2+2 2+4 = 1728 5 7 6 8 ( −2 3 ) −2 × (3 −3 −3 ) −3 ÷ ( − 2 −5 2 ) 2 = −2 × −2 3 × −2 × 3 −3 −3 × −3 −3 × −3 ÷ (( − 2) 2 −5 × 2 2 × 2 ) = (3 −3 ÷ ( − 2) 2 ) 4 −6 9 9 ÷ ( −10 4 ) = (1/108) 4+9− ( −10 ) −6+9−4 = (1/108) 23 −1 (9) rewrite 272 as product of its factors 272 = 2 × 136 = 4 × 68 = 8 × 34 = 16 × 17 Among product above, 16 and 17 are two consecutive integers. The two numbers are 16 and 17. Simplify the followings (1-8) 1 − 8 + ( − 4 − 5) ( 6 , 7 학년 ) 2 5 − ( 3 − 10 ) ( 6 , 7 학년 ) 3 3 × 2 × ( − ) 4 × ( −2 ) 3 ( 8 학년 ) 4 3 − 2 −5 + 2 + 3( − + 5 ) ( 8 학년 ) 5 × ( −3 ) 2 × ( −2 ) 3 × ( −2 ) 2 × 5 ( 9 학년 ) 6 − 3 2 + 4 + 4 −3 − 3 − ( −5 − 2 ) ( 9 학년 ) 7 ( 3 ) 3 × ( −2 ) 2 × ( −4 2 ) 2 ( 10 학년 ) 8 ( −2 3 ) −2 × (3 −3 −3 ) −3 ÷ ( − 2 −5 2 ) 2 ( 10 학년 ) (9) The two positive integers are consecutive and their product is 2 Find the two numbers. 김선생수학알제브라연습문제 (268) ( Exercise of ( Answer ) 1 − 8 + − 4 − 5 = − 8 + − 9 = − 8 − 9 = − 17 2 5 − 3 − 10 = 5 − −7 = 5 + 7 = 12 3 3 × 2 × ( − ) 4 × ( −2 ) 3 = 3 × 2 × 4 × − 8 3 = − 24 5 5 4 3 − 2 −5 + 2 + 3( − + 5 ) = 3 + 10 − 4 − 3 + 15 = 10 + 11 5 × ( −3 ) 2 × ( −2 ) 3 × ( −2 ) 2 × 5 = × 9 2 × − 8 × 3 × 4 × 2 × 5 = 9 × − 8 × 4 × 5 1+3+1 2+2+1 = − 1440 5 5 6 − 3 2 + 4 + 4 −3 − 3 − ( −5 − 2 ) = −6 − 12 − 12 − 12 + 5 + 2 = − 6 − 12 + 5 + − 12 − 12 + 2 = −13 − 22 7 ( 3 ) 3 × ( −2 ) 2 × ( −4 2 ) 2 = 27 3 3 × 4 2 2 2 × 16 2 4 = (27 × 4 × 16) 3+2 3+2+2 2+4 = 1728 5 7 6 8 ( −2 3 ) −2 × (3 −3 −3 ) −3 ÷ ( − 2 −5 2 ) 2 = −2 × −2 3 × −2 × 3 −3 −3 × −3 −3 × −3 ÷ (( − 2) 2 −5 × 2 2 × 2 ) = (3 −3 ÷ ( − 2) 2 ) 4 −6 9 9 ÷ ( −10 4 ) = (1/108) 4+9− ( −10 ) −6+9−4 = (1/108) 23 −1 (9) rewrite 272 as product of its factors 272 = 2 × 136 = 4 × 68 = 8 × 34 = 16 × 17 Among product above, 16 and 17 are two consecutive integers The two numbers are 16 and 17.