$1.6\div0.32=$ $0.9 + 9.09=$ $7 - 0.77=$
$0.45\times0.8=$ $2.04 - 0.4=$ $0.76\div0.19=$
$8 - 0.08=$ $1.4\times0.07=$ $\frac{11}{12}+\frac{1}{6}=$
$\frac{2}{5}+\frac{1}{4}=$ $5-\frac{4}{3}=$ $2.4\div0.75=$
$\frac{7}{9}\times\frac{45}{46}=$ $\frac{1}{8}+\frac{2}{9}=$ $\frac{3}{5}\times\frac{20}{33}=$
$5.02 + 2.98=$ $\frac{3}{4}\div\frac{11}{12}=$ $0.8\times0.7=$
$50\%\div\frac{6}{7}=$ $\frac{3}{5}-\frac{9}{20}=$ $7.85 + 2.25=$
$9.2 - 1.52=$ $300\times10\%=$ $20.8\% - 8\%=$
$\frac{3}{4}\div\frac{7}{10}=$ $5\%\div5=$ $1.08 + 12\%=$
$\frac{9}{7}+\frac{12}{7}=$ $\frac{2}{5}-\frac{1}{20}=$ $200\times\frac{1}{4}=$
$0.45\times0.8=$ $2.04 - 0.4=$ $0.76\div0.19=$
$8 - 0.08=$ $1.4\times0.07=$ $\frac{11}{12}+\frac{1}{6}=$
$\frac{2}{5}+\frac{1}{4}=$ $5-\frac{4}{3}=$ $2.4\div0.75=$
$\frac{7}{9}\times\frac{45}{46}=$ $\frac{1}{8}+\frac{2}{9}=$ $\frac{3}{5}\times\frac{20}{33}=$
$5.02 + 2.98=$ $\frac{3}{4}\div\frac{11}{12}=$ $0.8\times0.7=$
$50\%\div\frac{6}{7}=$ $\frac{3}{5}-\frac{9}{20}=$ $7.85 + 2.25=$
$9.2 - 1.52=$ $300\times10\%=$ $20.8\% - 8\%=$
$\frac{3}{4}\div\frac{7}{10}=$ $5\%\div5=$ $1.08 + 12\%=$
$\frac{9}{7}+\frac{12}{7}=$ $\frac{2}{5}-\frac{1}{20}=$ $200\times\frac{1}{4}=$
答案
5 9.99 6.23
0.36 1.64 4
7.92 0.098 $\frac{13}{12}$
$\frac{13}{20}$ $\frac{11}{3}$ 3.2
$\frac{35}{46}$ $\frac{25}{72}$ $\frac{4}{11}$
8 $\frac{9}{11}$ 0.56
$\frac{7}{12}$ $\frac{3}{20}$ 10.1
7.68 30 12.8%
$\frac{15}{14}$ 0.01 1.2
3 $\frac{7}{20}$ 50
0.36 1.64 4
7.92 0.098 $\frac{13}{12}$
$\frac{13}{20}$ $\frac{11}{3}$ 3.2
$\frac{35}{46}$ $\frac{25}{72}$ $\frac{4}{11}$
8 $\frac{9}{11}$ 0.56
$\frac{7}{12}$ $\frac{3}{20}$ 10.1
7.68 30 12.8%
$\frac{15}{14}$ 0.01 1.2
3 $\frac{7}{20}$ 50
$\frac{3.2}{x}=\frac{2}{5}$ $x:0.75=\frac{5}{6}:0.5$ $\frac{1}{2}:x=\frac{3}{4}:6$
答案
$x = 8$ $x = \frac{5}{4}$ $x = 4$
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