1. 直接写出得数。
$\frac{9}{11}÷6=$
$21÷\frac{7}{6}=$
$\frac{7}{18}÷\frac{8}{9}=$
$\frac{1}{8}÷\frac{3}{4}=$
$78×0.2=$
$13.6÷2=$
$3÷\frac{4}{3}=$
$12÷\frac{3}{7}=$
$\frac{4}{15}÷\frac{5}{12}=$
$\frac{3}{8}÷\frac{5}{2}=$
$\frac{7}{5}÷\frac{1}{10}=$
$2.4×0.5=$
$0.96×2=$
$6.3÷100=$
$\frac{6}{25}÷\frac{3}{5}=$
$\frac{15}{7}÷\frac{5}{7}=$
$0÷\frac{6}{7}=$
$\frac{5}{18}÷\frac{5}{12}=$
$0.8×1.25=$
$0.48÷4.8=$
$2÷\frac{2}{5}÷2=$
$\frac{9}{11}÷6=$
$21÷\frac{7}{6}=$
$\frac{7}{18}÷\frac{8}{9}=$
$\frac{1}{8}÷\frac{3}{4}=$
$78×0.2=$
$13.6÷2=$
$3÷\frac{4}{3}=$
$12÷\frac{3}{7}=$
$\frac{4}{15}÷\frac{5}{12}=$
$\frac{3}{8}÷\frac{5}{2}=$
$\frac{7}{5}÷\frac{1}{10}=$
$2.4×0.5=$
$0.96×2=$
$6.3÷100=$
$\frac{6}{25}÷\frac{3}{5}=$
$\frac{15}{7}÷\frac{5}{7}=$
$0÷\frac{6}{7}=$
$\frac{5}{18}÷\frac{5}{12}=$
$0.8×1.25=$
$0.48÷4.8=$
$2÷\frac{2}{5}÷2=$
答案
$\frac{3}{22}$ 28 $\frac{2}{5}$ 18 $\frac{16}{25}$ 3 $\frac{7}{16}$ $\frac{3}{20}$ 0 $\frac{1}{6}$
14 $\frac{2}{3}$ 15.6 1.2 1 6.8 1.92 0.1
$\frac{9}{4}$ 0.063 $\frac{5}{2}$
14 $\frac{2}{3}$ 15.6 1.2 1 6.8 1.92 0.1
$\frac{9}{4}$ 0.063 $\frac{5}{2}$
2. 解方程。
$\frac{3}{4}x=27$
$\frac{6}{7}x=\frac{24}{5}$
$\frac{5}{12}÷\frac{3}{4}=5x$
$\frac{3}{4}x=27$
$\frac{6}{7}x=\frac{24}{5}$
$\frac{5}{12}÷\frac{3}{4}=5x$
答案
$x=36$ $x=\frac{28}{5}$ $x=\frac{1}{9}$
3. 递等式计算。
$58×2.5×4$
$1.25×32$
$64÷0.8×1.25$
$1.35×6.3+1.35×3.7$
$58×2.5×4$
$1.25×32$
$64÷0.8×1.25$
$1.35×6.3+1.35×3.7$
答案
580 40 100 13.5
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