Đán án:
\(8\frac{5}{3}=\frac{29}{3}\)
\(1\frac{1}{7}=\frac{8}{7}\)
\(8\frac{5}{3}=9,66666....7\)
\(1\frac{1}{7}=1,142857143...\)
a)9,72
b)1,14
Vì a có p/s là 29/3 nếu lấy 29:3 =9,72
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Hok tốt
\(8\frac{5}{3}=\frac{8\times3+5}{3}=\frac{29}{3}\)
\(1\frac{1}{7}=\frac{1\times7+1}{7}=\frac{8}{7}\)