2025年8分钟暑假重点题五年级数学人教版
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8分钟暑假重点题五年级数学人教版 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。
$0.9×2= $
$0.8×0.25= $
$0.56÷0.04= $
$0.9×2= $
1.8
$7.2÷0.9= $8
$3.5÷0.25= $14
$4.3×1.1= $4.73
$0.8×0.25= $
0.2
$5.8÷0.2= $29
$2.5×0.4= $1
$9.7+0.03= $9.73
$0.56÷0.04= $
14
$1.4×5= $7
$0.42÷0.7= $0.6
$1÷0.8= $1.25
答案:
1 1.8 8 14 4.73 0.2 29 1 9.73 14 7 0.6 1.25
2 列竖式计算下面各题。
$12.7×5.8=$
(商用循环小数表示) (得数保留两位小数)
$36÷48=$
(商保留两位小数) (用乘法验算)
$12.7×5.8=$
73.66
$8.27÷1.1=$7.5\dot{1}\dot{8}
$27.5×0.046\approx$1.27
$51.3÷0.27=$190
(商用循环小数表示) (得数保留两位小数)
$36÷48=$
0.75
$6.17÷2.4\approx$2.57
$14.03÷6.1=$2.3
$3.2×98=$313.6
(商保留两位小数) (用乘法验算)
答案:
2 $12.7 × 5.8 = 73.66$ $8.27 ÷ 1.1 = 7.5\dot{1}\dot{8}$ $27.5 × 0.046 \approx 1.27$ $51.3 ÷ 0.27 = 190$ $36 ÷ 48 = 0.75$ $6.17 ÷ 2.4 \approx 2.57$ $14.03 ÷ 6.1 = 2.3$ $3.2 × 98 = 313.6$
3 用简便方法计算下面各题。
$56.55÷6.5÷2.9$ $7.65×1.25×80$ $1.4+8.6×3.5$
$58.3+99×58.3$ $(4.32-0.64)÷0.23$ $1.25×4×0.8×2.5$
$6.3×5.2+5.2×3.7$ $2.5×1.6×4×5$ $9.4×2.5+7.5×9.4$
$4÷(2.1-2.09)×2.5$ $58.3×9+58.3$ $94.5÷(28.5÷3.8)×5.5$
$56.55÷6.5÷2.9$ $7.65×1.25×80$ $1.4+8.6×3.5$
$58.3+99×58.3$ $(4.32-0.64)÷0.23$ $1.25×4×0.8×2.5$
$6.3×5.2+5.2×3.7$ $2.5×1.6×4×5$ $9.4×2.5+7.5×9.4$
$4÷(2.1-2.09)×2.5$ $58.3×9+58.3$ $94.5÷(28.5÷3.8)×5.5$
答案:
3 $56.55 ÷ 6.5 ÷ 2.9 = 3$ $7.65 × 1.25 × 80 = 765$ $1.4 + 8.6 × 3.5 = 31.5$ $58.3 + 99 × 58.3 = 5830$ $(4.32 - 0.64) ÷ 0.23 = 16$ $1.25 × 4 × 0.8 × 2.5 = 10$ $6.3 × 5.2 + 5.2 × 3.7 = 52$ $2.5 × 1.6 × 4 × 5 = 80$ $9.4 × 2.5 + 7.5 × 9.4 = 94$ $4 ÷ (2.1 - 2.09) × 2.5 = 1000$ $58.3 × 9 + 58.3 = 583$ $94.5 ÷ (28.5 ÷ 3.8) × 5.5 = 69.3$
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