[질문] [어학/영어]1번:3b-{5b-(b-4)}= 2번:2a+{a-4(3a-1)}= 4번:8x-{3+2x-(6x-1)}= 5번:-4x-{3x-6-(x+3)}=
조회수 50 | 2015.01.30 | 문서번호:
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[지식맨]
2015.01.30 3b-{5b-(b-4)}=-b-4 /2a {a-4(3a-1)}=-9a 4 /8x-{3 2x-(6x-1)}=12x-4/ -4x-{3x-6-(x 3)}=-6x 9
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