最新五年级数学寒假习题集(可下载).doc
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第一讲小数乘除法、四则混合运算
一、直接写出得数。
0.2×4.3= 3.7 + 3= 0.72×100= 3.2×0.1=
2 + 4.8= 7×0.6= 6×0.15= 9.7×0.01=
2.4×5= 0.87-0.7= 3.67÷10= 0.2 + 0.99=
0.72÷8= 125×0.8= 1-0.99= 220-180=
0.4×0.07= 9.34÷100= 4×2.5= 108.99×0=
二、竖式计算。(☆题得数保留二位小数)
18.2 – 9.02 12.6 ÷ 35 15 + 6.92 ☆32.3 × 5.2
2671723562
51.3÷0.27 56.28÷0.67 91.2÷3.8 26÷0.13
10.5÷0.75 0.756÷0.18 6.21÷0.03 4.2÷3.5
1772234534
三、递等式计算
0.6÷(0.2+0.3) 4.7—(2.6—1.7) 4.3×(1.5+0.4×3
51.3÷0.27+10.1 0.72÷[(0.3+0.2)×0.6] 86.4÷0.24×0.25
3.75÷[0.2×(0.74—0.24)] 7.28+0.94+2.72+0.06 7.84+0.73—0.84
0.45×9.6÷1.2 7.38÷[1.45—(0.4+0.05)] 15.7—4.3—5.7
0.85×(4.2—0.4)—0.23 1.6+0.4—1.6+0.4 78.4÷(0.7+4.2÷6)
62.8÷2.5÷0.4 12.4÷0.4+5.6×2 8.5÷4+1.5×0.25
2.31×1.2×0.5 132-43.7-56.3 12.78-(4.97+2.78)
63.4÷2.5÷0.4 0.8+0.88+0.22 4.6×0.35+4.6×0.65
23.4-0.8-13.4-7.2 2.95×101-2.95 (1.25+0.25)×4
63×10.1-63×0.1 4.2×99+4.2 35÷(0.35×2)
7.3×10.2-1.46 0.648÷[(0.4+0.5)×0.6] 15.6×13.1-15.6×3.1
12.96-(9.6-1.52) 1.2÷0.25+1.3×4 12.6÷[3.5-(9.8-8.7)]
40.5÷0.81×1.05 97.5÷0.39-136.7 11.16÷(10-0.7)
(300-94.8)÷0.5 15.89+(6.75-5.89) 7.85+2.34-0.85+4.66
35.6-1.8-15.6-7.2 0.25×16.2×4 60.9+(13.53+5.37)÷10.8
1.2×5×6.8 0.45×0.18×300 18.1×0.92+3.93
3.76×0.25+25.8 94.83+52.4+6.23 5.5×1.5×0.12
第二讲简便方法
一、计算下面各题(能简算的要简算)。
1.25 ×2.5 ×0.4 ×8 100.1 ×3
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