7.658×850.18×150.025×143.06×36 3.7×0.016 53×2.07 36.02×0.356.78×8 1.55÷3.9 16.9÷0.13 0.04×0.123.84×2.6 1.89÷0.547.1÷0.2522.78÷3.47×0.62 12.25÷0.573.5×0.11.64÷411.55÷3.9 7.564×0.89 0.15×2.34 0.48×350 7.94×0.98 56.2×4.98

36.9×21.3

1.86×75 6.8÷443.5÷11.96×8.5 13.88－6.29 2

80.4×0.35

926×0.15

11.7÷2.6 6.25×1.04 8÷ 500 1.44÷1.8 0.056×0.151226.3＋7.93 4.48÷3.2 .5×4.8 13.6＋8.46 42.84÷70.484.2÷28 100.2－2.28 ÷1.66.8÷4 5.76×1.37.1544÷9（精确到0.72÷122.9÷×2215.6×133百分位） 1024÷50.7÷0.68×0.253.723×7.06 .01101.7÷935×0.0160.45×4.04×250 .21÷7 102

5.555×5.22.267.5÷15230.42.05÷0.826.52×3.33 ÷621.24÷36009÷0.27 8.5×3.613.88.736÷2339.629÷22（保留2－6.299.25×÷2485.44÷16 位小数） 2816 ．448÷14= 32×0.48÷1.66．07 1.64＋2.35 8÷50 3.24÷2.4? 8.65－6.31 0.99＋1.1 4.19÷3487.728.448÷1412.6＋7.43 ÷853.59÷348 0.58×250 25.8÷6 .2÷8 12.5＋3.6 22.8÷3 2.5÷53.4÷2210.88÷34 5.98÷0.23? 8.26÷6.2850.

10－7.64

19.76÷5.2

228÷969.13÷1189÷26 6.822÷36.83÷518.51÷1433.4÷745.5÷343.69÷75 6.8÷40.48÷1.60.72÷1242.84÷7 140.7÷35 43.5÷1215.84÷48 35.21÷739.6÷2442.84÷728÷96.07÷59.15÷3

5.52÷0.46???6.08÷19????、60.8÷2.3????532÷0.562.38÷0.34 2.7÷7.5 21.45÷15

25.5÷6 1.69÷26 17.92÷32 1.26÷28 88.4÷89 51.3÷0.27 26÷0.104 84÷56 4.68÷1.2、375÷0.75、35.72÷0.0473÷1.2 2.56÷3.2 4.725÷1.8 0.16÷0.25 3.78÷1.05 9.18÷1.7 160÷2.5 0.728÷0.8 4÷0.125 12.8÷2.5 2.34÷0.65 40.32÷2.446.8÷6

0.8÷1.25 0.77÷35 0.76÷0.95 238÷34 4.68÷0.6 2.38÷0.34、5.2÷3.25 161÷0.46 0.7578÷0.18 1.44÷1.8 5.25÷1.5 2.7÷0.36 4.48÷3.2 34.5÷12 1.25÷0.25 88.4÷1.712.6÷0.28 18÷24 91.2÷5743.68÷26 25.3÷0.88 0.1575÷3.15 0.612÷1.8

42.84÷7 67.5÷15 289.8÷18 36.8÷16 100.23÷39 710.6÷374 510.6÷138 1.752÷12 0.728÷0.8 4÷0.125 2.8÷2.5 2.34÷0.65 15÷0.06 3.509÷0.2732÷428.4÷0.56 10÷0.004 2.7÷7.5 68.5÷0.38 11.6÷2.5 47.04÷56 59.51÷11 36.8÷16 17.64÷4.9

2.139÷9.3 7.14÷3.590.75÷6.61.44÷1.8 18.9÷0.54 1.204÷0.43 54÷0.36 9.58÷0.23 6.21÷0.3 1.25÷0.25 17.48÷7.6

3.64÷5

.2213.6÷0.823.4÷7.218÷24 43.68÷26 25.3÷0.88 0.612÷1.8 10.5÷0.7575.36÷12 0.396÷1.2??0.756÷0.36?27

.5÷0.025?750.4÷0.56 1.512÷0.36 57.76÷15.2 11.124÷54 8.64÷8 29.29÷29 111÷0.37 24÷96 6÷24? 52.95÷75?? 4.01÷3? 21.35÷3.5 23.97÷4.7 19.19÷1.9? 0.2014÷0.05 8.4÷24 18÷48 23÷184 7.65÷25 82.8÷72 0.98÷35 2.525÷25

得数保留两位小数。 3.81÷7?? 32÷42?? 246.4÷13 3.792÷79 12.43÷4.6 1.57÷3.9 16.787÷0.28 5.63÷7.8 3÷174.5÷0.209

6.804÷1110.05÷32 210÷187 4.035÷2.4 324.57÷7≈? 7.525÷0.38≈9÷11≈32÷6≈?? 34.2×0.64 0.63×0.106 1.06×20.5

6.8×0.195 750.4÷0.56 1.512÷0.36 57.76÷15.2 11.124÷54 0.396÷1.2???0.756÷0.36 15.6×130.18×15

0.025×14??? 3.06×36 0.04×0.12?? 3.84×2.6≈??5.76×3?（保留一位小数）7.15×22?????90.75÷3.3???3.68×0.25 16.9÷0.13?? 1.55÷3.9????3.7×0.016