【精品】四年级下册数学试题-脱式计算 北师大版.docx

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1、四年级脱式计算题14.2×9.9＋1.424.8＋3.72＋4.2＋16.283.78－1.46＋1.5418.5－3.21－4.793.72×9.94.5×0.7＋5.5×0.70.4×(2.5＋0.25)82.4－12.4×512.8+2.04×4.56.15×8.4-424.5×3.6+5.5×3.610-1.8×1.26.56－2.7＋3.440.25×9.8×404.5×0.9＋5.5×0.913－4.85-3.1570.9－1.25－1.75125×8883×36+83+83×6398×10112

2、5×16×25　　72×102－2×72(125+16)×870.8-1.25-1.755.81+8.3+4.19+11.73.54×0.29-0.29×2.540.25×17.3×0.418÷[0.3×(8－6.5)]48×0.69+3.1×4.818.3-6.25-3.75+12.76.4×1012.5×6.78×0.40.4÷（4.05+5.95）×5.578.7－17.7×3.67.2×9.90.125×4.78×802.8×3.6＋1.4×2.8(0.4＋40)×2.58.5×5.67－7.5×5.

3、671.6×[(1.8+1.95)÷2.5]6.2+3.5×25×446.5×99+46.54.85×1.25×8(455－12.5×4)÷8.1(0.5＋0.25)×439÷0.125÷0.80.7×101－0.70.125×4.7×812.5－1.68－2.32567÷20÷513.75－5.28－4.722.25＋4.8＋0.758－7.19＋3.839.65－（7.03＋1.65）8.4－7.85＋3.22.58－（3.5－2.42）15.89-（5.89+6.98）4.9+12.87-5.3875.

4、6-10.8-9.23.8+1.4–2.3518.3–3.6–4.46.24–(2.19+1.86)5.3+12.38+4.70.125×9.3×808.8×0.6＋0.324.8×3.6－3.8×3.634－5.2×0.420.038×5×2.19.8×250.78×1011.50×1020.25×0.7×0.80.56×99＋0.561.2×2.5＋0.8×2.5101×5.80.25×12.8×0.42.35×0.15－0.15×0.3513－4.85-3.1570.9－1.25－1.750.125×4

5、.78×803.2×4.7-7.816.75-3.43-0.570.46×1.9+0.54×1.912.5×5.6×0.818÷﹝0.3×(8－6.5)﹞101×9825.74－3.57－6.4312.5×3.4×8（20－1.4×2）×0.41.25×17×88.3×2.6－8.3×1.63.25÷0.25÷0.425.74－3.57－6.4312.5×3.8×8（6.4＋0.24）÷1.675×0.82＋2.5×8.2（20－1.4÷2）×0.40.7×8－5.6÷5.60.8×3.9×1.25　　4.8

6、7×2.34+4.87×7.6660.8–7.18–12.82150.39－（15.39－8.74）25.6×1.011.87＋0.26＋6.13＋1.7416.36+25.75-12.583.6×4.2+15.62（5.24-3.6）×208.9+8.9×990.25×1.3×42.47+5.66+7.5313－4.85-3.1570.9－1.25－1.7550－18.43—11.576.76－2.7＋3.240.25×9.8×203.5×0.9＋6.5×0.9