Quay lại đáp án

	2	thêm 59 ký tự trong đáp án
a) $C1=\frac{22}{9}+\frac{7}{6}=\frac{65}{18}.$ $C2=2+\frac{4}{9}+1+\frac{1}{6}=3+\frac{11}{18}=\frac{65}{18}.$ b) $C1=\frac{57}{8}-\frac{23}{4}=\frac{11}{8}.$ $C2=7+\frac{1}{8}-5-\frac{3}{4}=2-\frac{5}{8}=\frac{11}{8}.$ c) $C1=4-\frac{20}{7}=\frac{8}{7}.$ $C2=4-2-\frac{6}{7}=2-\frac{6}{7}=\frac{8}{7}.$ $KQ:1\tfrac{1}{7}.$ a) $C1=\frac{22}{9}+\frac{7}{6}=\frac{65}{18}.$ $C2=2+\frac{4}{9}+1+\frac{1}{6}=3+\frac{11}{18}=\frac{65}{18}.$ b) $C1=\frac{57}{8}-\frac{23}{4}=\frac{11}{8}.$ $C2=7+\frac{1}{8}-5-\frac{3}{4}=2-\frac{5}{8}=\frac{11}{8}.$ c) $C1=4-\frac{20}{7}=\frac{8}{7}.$ $C2=4-2-\frac{6}{7}=2-\frac{6}{7}=\frac{8}{7}.$ a) $C1=\frac{22}{9}+\frac{7}{6}=\frac{65}{18}.$ $C2=2+\frac{4}{9}+1+\frac{1}{6}=3+\frac{11}{18}=\frac{65}{18}.$ b) $C1=\frac{57}{8}-\frac{23}{4}=\frac{11}{8}.$ $C2=7+\frac{1}{8}-5-\frac{3}{4}=2-\frac{5}{8}=\frac{11}{8}.$ c) $C1=4-\frac{20}{7}=\frac{8}{7}.$ $C2=4-2-\frac{6}{7}=2-\frac{6}{7}=\frac{8}{7}.$ $KQ:1\tfrac{1}{7}.$

	1	tạo mới
a) $C1=\frac{22}{9}+\frac{7}{6}=\frac{65}{18}.$ $C2=2+\frac{4}{9}+1+\frac{1}{6}=3+\frac{11}{18}=\frac{65}{18}.$ b) $C1=\frac{57}{8}-\frac{23}{4}=\frac{11}{8}.$ $C2=7+\frac{1}{8}-5-\frac{3}{4}=2-\frac{5}{8}=\frac{11}{8}.$ c) $C1=4-\frac{20}{7}=\frac{8}{7}.$ $C2=4-2-\frac{6}{7}=2-\frac{6}{7}=\frac{8}{7}.$

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hoahoa.nhynhay: . 11/5/2018 1:39:46 PM
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hoahoa.nhynhay: . 11/5/2018 1:39:46 PM
hoahoa.nhynhay: . 11/5/2018 1:39:47 PM
hoahoa.nhynhay: . 11/5/2018 1:39:47 PM
hoahoa.nhynhay: . 11/5/2018 1:39:47 PM
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hoahoa.nhynhay: . 11/5/2018 1:39:48 PM
hoahoa.nhynhay: . 11/5/2018 1:39:48 PM
hoahoa.nhynhay: . 11/5/2018 1:39:48 PM
hoahoa.nhynhay: . 11/5/2018 1:39:48 PM
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