一：竖式题 2.346÷2.3 = 53.2÷13（保留两位小数）= 9.744÷4.8= 0.342÷0.36= 0.27÷1.1=（保留两位）= 0.78×6.05= 8.45×0.18= 2.95×8.6= 7.85×0.63= 5.47×3.25= 2.346÷2.3= 0.98×0.36= 12.3÷14= 53.2÷13（保留两位）= 0.396÷1.2= 0.756÷0.36= 15.6×13= 0.18×15= 0.025×14= 3.06×36= 0.04×0.12＝ 3.84×2.6≈ 5.76×3（保留一位）＝ 7.15×22= 90.75÷3.3= 3.68×0.25= 16.9÷0.13= 1.55÷3.9= 3.7×0.016= 3.76×0.8= 5.2×0.6= 8.4×1.3= 6.4×0.5= 4.48×0.4= 35.4×4.2= 0.042×0.54= 0.76×0.32= 5.25×5= 0.25×0.046= 2.52×3.4= 1.08×25= 0.12×0.5×0.16＝ 4.8×0.25＝ 0.125×1.4（保留两位）≈ 2.5÷0.7（保留三位）= 10.75÷12.5（乘法验算）= 3.25×9.04（除法验算）= 0.43×0.28= 6.45×0.73= 4.6×0.6= 8.9×0.05= 3.08×0.43= 1.5×26.7= 5.22÷29= 18.72÷3.6= 13.95÷3.1= 7.15×22= 90.75÷3.3= 0.396÷1.2= 0.756÷0.36= 15.6×13= 3.68×0.25= 0.18×15= 0.025×14= 3.06×36= 0.04×0.12＝ 3.84×2.6≈ 5.76×3＝ 7.15×22= 90.75÷3.3 3.68×0.25= 0.12×0.5×0.16＝ 4.8×0.25＝ 0.125×1.4（保留两位小数）≈ 2.5÷0.7（保留三位小数）= 10.1÷3.3（商用循环小数）= 10.75÷12.5（用乘法验算）= 3.25×9.04=（用除法验算） 27×41= 43×46= 25×23= 66×57= 95×37= 45×86= 98×27= 43×90= 96×54= 84×81= 18.2–9.02= 12.6÷3= 15+6.92= 32.3×5.2= 328÷41＝ 645÷82＝ 282÷32＝ 576×72＝ 412÷53＝ 190×40= 45×840= 408×60= 112×32= 430×180= 304×320= 850×60= 56×796= 999×97＝ 566×50＝ 269×86＝ 684×895＝ 30×980＝ 111×12＝ 567×78＝ 175×90＝ 340×84＝ 27×3= 90÷15= 124×8= 278×3= 96÷24= 405÷21= 43×39= 37×26= 76×39= 605÷59= 304×23= 126×87= 27×32= 48×27= 458×29= 73×15 = 122×66 = 201×36= 68×408= 28×27= 二：脱式题 2.5×7.1×4= 16.12×99＋16.12= 5.2×0.9＋0.9= 7.28×99+7.28= 4.3×50×0.2= 64－2.64×0.5= 26×15.7＋15.7×24= (2.275 ＋0.625)×0.28= 3.94+34.3×0.2= 1.2×(9.6÷2.4)÷4.8= 8.9×1.1×4.7= 2.7×5.4×3.9= 3.6×9.85-5.46= 8.05×3.4+7.6= 6.58×4...
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