1. 直接写出得数。
实际用时:分钟
594 - 154 =
3.14×10 =
15÷$\frac{5}{7}$ =
$\frac{5}{9}$×$\frac{18}{5}$ =
120×5 =
802÷2 =
$\frac{5}{6}$ + $\frac{1}{6}$ =
$\frac{1}{5}$ - $\frac{1}{45}$ =
335×2 =
1.06×3 =
$\frac{2}{19}$÷$\frac{1}{6}$ =
1 - $\frac{5}{33}$ =
10×35 =
0.56×10 =
$\frac{2}{5}$÷$\frac{8}{15}$ =
$\frac{1}{2}$ + $\frac{7}{18}$ =
37÷74 =
3.14×9 =
$\frac{39}{45}$÷$\frac{39}{8}$ =
14÷$\frac{7}{2}$ =
201×40 =
300÷15 =
$\frac{16}{15}$×$\frac{5}{12}$ =
$\frac{1}{35}$ + $\frac{1}{5}$ =
实际用时:分钟
594 - 154 =
3.14×10 =
15÷$\frac{5}{7}$ =
$\frac{5}{9}$×$\frac{18}{5}$ =
120×5 =
802÷2 =
$\frac{5}{6}$ + $\frac{1}{6}$ =
$\frac{1}{5}$ - $\frac{1}{45}$ =
335×2 =
1.06×3 =
$\frac{2}{19}$÷$\frac{1}{6}$ =
1 - $\frac{5}{33}$ =
10×35 =
0.56×10 =
$\frac{2}{5}$÷$\frac{8}{15}$ =
$\frac{1}{2}$ + $\frac{7}{18}$ =
37÷74 =
3.14×9 =
$\frac{39}{45}$÷$\frac{39}{8}$ =
14÷$\frac{7}{2}$ =
201×40 =
300÷15 =
$\frac{16}{15}$×$\frac{5}{12}$ =
$\frac{1}{35}$ + $\frac{1}{5}$ =
答案
1. 440 31.4 21 2
600 401 1 $\frac{8}{45}$
670 3.18 $\frac{12}{19}$ $\frac{28}{33}$
350 5.6 $\frac{3}{4}$ $\frac{8}{9}$
$\frac{1}{2}$ 28.26 $\frac{8}{45}$ 4
8040 20 $\frac{4}{9}$ $\frac{8}{35}$
600 401 1 $\frac{8}{45}$
670 3.18 $\frac{12}{19}$ $\frac{28}{33}$
350 5.6 $\frac{3}{4}$ $\frac{8}{9}$
$\frac{1}{2}$ 28.26 $\frac{8}{45}$ 4
8040 20 $\frac{4}{9}$ $\frac{8}{35}$
2. 计算下面各题。
(1026-229)×14
15×12.5×2×8
88×0.75+12×0.75
(1026-229)×14
15×12.5×2×8
88×0.75+12×0.75
答案
2. 11158 3000 75
3. 填一填。

答案
3. $\frac{7}{5}$ cm $\frac{1}{2}$ m
2.4 dm 4.25 cm
2.4 dm 4.25 cm
已知$a÷ 1.2 = b× \dfrac{4}{5} = c× \dfrac{6}{5}$,并且$a$、$b$、$c$都不等于0,那么$a$、$b$、$c$按从大到小的顺序排列是(
b>a>c
)。答案
b>a>c
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