五年级上册数学口算题及答案
发布时间：2025-10-15 | 来源：互联网转载和整理
如下：
17×40＝680,100－63＝37,3.2＋1.68＝4.88,2.8×0.4＝1.1214－7.4＝6.6,1.92÷0.04＝48,0.32×500＝160,0.65＋4.35＝510－5.4＝4.6,4÷20＝0.2,3.5×200＝700,1.5－0.06＝1.44
0.75÷15＝0.05,0.4×0.8＝0.32,4×0.25＝1,0.36＋1.54＝21.01×99＝99.99,420÷35＝12,25×12＝300,135÷0.5＝2703/4+1/4=1,2+4/9=22/9,3-2/3=7/3,3/4-1/2=1/4
1/6+1/2-1/6=1/2,7.5-(2.5+3.8)=1.2,7/8+3/8=5/43/10+1/5=1/2,4/5-7/10=1/10,2-1/6-1/3=1.50.51÷17＝0.03,32.8＋19＝51.8,5.2÷1.3＝4,1.6×0.4＝0.64
4.9×0.7＝3.43,1÷5＝0.2,6÷12＝0.5,0.87－0.49＝0.381.(1+1/2)(1+1/3)(1+1/4)......(1+1/100)2.(1-1/2)(1-1/3)(1-1/4)......(1-1/100)
3.8+2-8+24.25*4/25*45.7.26-(5.26-1.5)
6.286+1987.314-2028.526+301
9.223-9910.6.25+3.85-2.125+3.87511.9-2456*21
12.0.5/11.5-4*2.7513.1/2×3/514.3.375+5.75+2.25+6.625
15.1001－9036÷1816.3.8×5.25+14.517.2.1*4.3+5.7*2.1
18.30×1/319.102*45-32820.2/3×12
21.2.8*3.1+17.6/822.3/5×5/623.(50-12.5)/2.5
24.2/5×1/325.6110*47+63926.1/2-1/6
27.3.5*2.7-52.2/1828.1/7×1/529.3.375*0.97+0.97*6.625
30.25×4/531.6.54+2.4+3.46+0.632.5/6-1/2
33.95.6*1.8+95.6*8.234.1/2×1/535.600-420/12
36.344/3.6-5.4*0.2537.16/2+30/2+90/638.3001-1998.
39.5000-105*3440.0.15/0.25+0.75*1.241.(1/2+1/3+1/4)*0.24
42.(25+4)*443.300-4263/2144.0.81/0.25+5.96
45.403÷13×2746.1.5×4.2－0.75÷0.2547.3.27×4+3.27×5.7
48.（1.2+1.8）×4.51025－768÷3249.0.25×80－0.45÷0.950.1025－768÷32
51.0.25*2.69*4