2025年跳跳熊预习日日清六年级数学下册人教版
注:目前有些书本章节名称可能整理的还不是很完善,但都是按照顺序排列的,请同学们按照顺序仔细查找。练习册 2025年跳跳熊预习日日清六年级数学下册人教版 答案主要是用来给同学们做完题方便对答案用的,请勿直接抄袭。
1. 直接写出得数。
5:7 = ( ):21 4.5:6.3 = 5:( ) 0.5:1.5 = 1:( )
36:54 = ( ):3 2:( ) = $\frac{1}{4}$:4 $\frac{1}{12}:\frac{1}{15}$ = ( ):4
$\frac{3}{8}:\frac{3}{2}$ = ( ):4 5:( ) = $\frac{5}{2}:\frac{1}{3}$ $\frac{1}{8}:0.1$ = 0.5:( )
$\frac{3}{4}$:( ) = 3:12 $\frac{1}{8}:\frac{1}{10}$ = $\frac{1}{4}$:( ) ( ):5 = 3:7
$\frac{( )}{3}$ = $\frac{0.5}{5}$ ( ):$\frac{1}{2}$ = $\frac{2}{3}$:4 $\frac{54}{3}$ = $\frac{36}{( )}$
5:7 = ( ):21 4.5:6.3 = 5:( ) 0.5:1.5 = 1:( )
36:54 = ( ):3 2:( ) = $\frac{1}{4}$:4 $\frac{1}{12}:\frac{1}{15}$ = ( ):4
$\frac{3}{8}:\frac{3}{2}$ = ( ):4 5:( ) = $\frac{5}{2}:\frac{1}{3}$ $\frac{1}{8}:0.1$ = 0.5:( )
$\frac{3}{4}$:( ) = 3:12 $\frac{1}{8}:\frac{1}{10}$ = $\frac{1}{4}$:( ) ( ):5 = 3:7
$\frac{( )}{3}$ = $\frac{0.5}{5}$ ( ):$\frac{1}{2}$ = $\frac{2}{3}$:4 $\frac{54}{3}$ = $\frac{36}{( )}$
答案:
15 7 3
2 32 5
1 $\frac{2}{3}$ 0.4
3 $\frac{1}{5}$ $\frac{15}{7}$
0.3 $\frac{1}{12}$ 2
2 32 5
1 $\frac{2}{3}$ 0.4
3 $\frac{1}{5}$ $\frac{15}{7}$
0.3 $\frac{1}{12}$ 2
2. 解下列比例。
① 2.4:0.6 = 12:x
② $\frac{1.25}{0.25}$ = $\frac{x}{1.6}$
③ $\frac{1}{10}:x$ = $\frac{1}{8}:\frac{1}{4}$
④ 2.8:4.2 = x:9.6
⑤ $\frac{x}{9.6}$ = $\frac{2}{3}$
⑥ 6:x = $1\frac{1}{5}$:50%
⑦ 0.4:x = $(1 + \frac{1}{7})$:2
⑧ $\frac{3}{5}:0.45x$ = 16:60
① 2.4:0.6 = 12:x
② $\frac{1.25}{0.25}$ = $\frac{x}{1.6}$
③ $\frac{1}{10}:x$ = $\frac{1}{8}:\frac{1}{4}$
④ 2.8:4.2 = x:9.6
⑤ $\frac{x}{9.6}$ = $\frac{2}{3}$
⑥ 6:x = $1\frac{1}{5}$:50%
⑦ 0.4:x = $(1 + \frac{1}{7})$:2
⑧ $\frac{3}{5}:0.45x$ = 16:60
答案:
①$x = 3$ ②$x = 8$ ③$x=\frac{1}{5}$
④$x = 6.4$ ⑤$x = 6.4$ ⑥$x=\frac{5}{2}$
⑦$x=\frac{7}{10}$ ⑧$x = 5$
④$x = 6.4$ ⑤$x = 6.4$ ⑥$x=\frac{5}{2}$
⑦$x=\frac{7}{10}$ ⑧$x = 5$
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