2025年亮点给力计算天天练六年级数学下册苏教版


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《2025年亮点给力计算天天练六年级数学下册苏教版》

一、直接写出得数。(共24分)
$\frac{4}{5}$×$\frac{1}{5}$=       1.25 - 1.1 =     1.87 + 5.13 =     78×89×0 =  
0.32 + 3.2 =     $\frac{2}{3}$ + $\frac{1}{2}$ =       0.68×5 =       3÷$\frac{1}{3}$×3 =  
10 - 0.86 =     9.9÷0.1 =     82% - 3.5% =    8.4×9 + 8.4 =  
15÷$\frac{5}{3}$ =       6÷$\frac{24}{25}$ =       1 - 0.7² =       12÷($\frac{1}{3}$ - $\frac{1}{4}$) =  
0.9÷0.01 =     0.4² - 0.3² =    3.2÷16% =      1.32÷0.25÷4 =  
$\frac{7}{15}$×$\frac{5}{21}$ =      $\frac{13}{19}$×$\frac{38}{39}$ =      48%×$\frac{17}{16}$ =      200×(1 - 40%) =  
答案: $\frac{4}{25}$ 0.15 7 0
3.52 $\frac{7}{6}$ 3.4 27
9.14 99 0.785 84
9 $\frac{25}{4}$ 0.51 144
90 0.07 20 1.32
$\frac{1}{9}$ $\frac{2}{3}$ $\frac{51}{100}$ 120
二、在括号里填合适的数。(共16分)
$\frac{1}{2}$ =              = $\frac{125}{25}$        = $\frac{2}{15}$          = $\frac{5}{3.5}$
(   ):$\frac{1}{9}$ = $\frac{1}{5}$:$\frac{1}{3}$          $\frac{1}{8}$:$\frac{7}{10}$ = $\frac{1}{4}$:(   )
0.8:(   ) = 0.3:15        20:1.2 = (   ):1.8
$\frac{3}{2}$:6 = 6:(   )           2.8:4.2 = (   ):9.6
4cm:(   )mm = 80:1       (   )cm:45m = 1:4500
4.8dm:20mm = (   ):1     10cm:5km = 1:(     )
11cm:(   )km = 1:500000    (   )m:4cm = 300:1
答案: 48 25 27 1
$\frac{1}{15}$ $\frac{7}{5}$ 40 30
24 6.4 0.5 1
24 50000 55 12
三、解方程或比例。(共36分)
$\frac{3}{8}$ = 4.5:x        120:x = 5:$\frac{2}{3}$      $\frac{12}{1.8}$ = 32:x
$\frac{5}{6}$x - $\frac{4}{5}$x = 30       6x - 0.18 = 24×75%  x:12 = 0.75:$\frac{1}{4}$
$\frac{1}{6}$:$\frac{4}{9}$ = 1.5:x      x:45% = 150:$\frac{3}{5}$    (9x - 1.5)÷6 = 8
答案: $x = 12$ $x = 16$ $x = 4.8$
$x = 900$ $x = 3.03$ $x = 36$
$x = 4$ $x = \frac{225}{2}$ $x = 5.5$

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