五年级下册数学口算400题

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1.01x99= 420/35=25x12= 135/0.5=4/3+4/1= 5.2/1.3= 32.8+19= 5.2/1.3= 25+15=47-17=58+18= 19+28= 2/1x2= 13/1= 13\2=910+110= 4/2= 60-60= 16+56=910-310= 47-20= 49-29= 1.3-0.7= 2.6x0.4=2400/30= 25-15= 34+14= 9+18=1/1=78-28=12+24= 7+14= 1－0.98= 0.048＋0.52= 5×400=
19.9+11.1= 187÷1000= 1+3.89=
0.081×10= 75÷10=0.96÷0.8=
0.8×7＝1.5×7＝ 1.32×8＝
0.7×8＝10.3×2＝5×0.6＝
0.9×0.3＝3.5×0.2＝ 2.01×0＝
10×0.05＝0.13×7＝0.21×100＝
0.7×4＝0.05×4＝4×0.3＝430-250= 0.17+0.06=1.02-0.09=
30×100= 0.92-0.2=3.5+4.8=
3.5+2.4=5+0.07= 1-0.61=
0.47+0.23=0.25+0.75=3.7+0.33=
0.51+0.33=1-0.6= 8-4.6=
5.8-3.6= 0.52+0.4= 6.45+5.5=
4.5-1.3= 3.4-2.8= 9.53-1.53=
8.8-6.7= 10+0.08=9.5-7.3=
7.2+0.8=7.82+0.3=8.8-6.7=
9.5-7.3= 1-0.95=3.4-2.8=
0.96-0.35= 9.53-1.53= 0.25+0.75=
1.2-0.8= 0.83-0.5= 2.7+0
12.5×8＝ 2.3×4＝ 3.25×0＝
0.4×50＝ 30×0.1＝2.6×3＝
4.1×2＝0.35×0.2＝7.5×0.1＝
2.5×2= 0.5×10=0.6×8= 2.1×2=
2.8×10=0.7×0.8= 0.04×20=5.6+0.4=
4.7+2.3= 4.5×2=6.9－2.5= 7.2×0.8=
6×3.4= 0.62－0.32= 1.4×0.5=0.75×100=
0.02×0.5= 3.6×0.3= 6.3÷7=5.6×100=
0.75÷0.25= 0.125×8= 4.8÷0.3=0.86÷2=
0.56÷28=0.36÷0.4=0.64÷0.8= 0.7×9=
3.6÷24= 0.8×1.1= 7.2+12.8=46.7－3.8=
12.8÷4= 5.2÷13=12.5÷5=1.64+4.1=
10÷20=24÷15= 8.65×10=0.35×0.6=
3.08×0.01=4.95×1000= 6.9×0.1=0.4×0.5=
2.4÷0.8= 10.8÷9=9.6÷0.8= 0.108÷2=
4.95÷0.9= 9.65÷0.1=0.325×100=2.5×8=
0. 56÷0.7=0.125×4=3.28×0.1=3.9÷0.13=
7.2×0.1=0.01×0.1= 0.25×0.4= 1.6÷0.8=
1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7=
0.22×102= 9.6÷0.8= 5×0.24=4.5－0.05=
3.9÷0.1316.5÷0.5= 5×0.12= 24×0.5=
4.8×0.5=2.8＋4.2=0.84÷2.1=5÷0.25=
7.8÷0.01=5.4÷0.6=3.2÷5= 7×0.62=
0.56÷0.8=7.4－2.8= 0.18÷0.2= 0.16÷8=
4.5×0.02=8＋7.2=1.2×30= 0.012×0.2=
7.3×0.3=0÷6=3.6÷0.12=7.8÷0.6=
2÷5=4.5＋5=0.3÷0.6=0.96÷0.2=
10.5×0.4=7.3＋0.27= 8×0.125=0.54÷0.6=
0.61＋0.39= 0.56÷28=10÷20= 4.08÷0.4=
10－9.4= 0.8×0.11=7.2＋12.8=5.6÷0.01=
2.3×100=0.75×100=0.108÷2= 10.8÷9=
7.8÷0.01=5.4÷0.6=3÷5= 7×0.62=
12÷0.5= 5.2×0.4= 12.2÷0.2= 5.6÷100=
0.41＋3.7= 0.02×0.5= 7.2－0.8=1.4×0.5=
84÷0.21=0.75÷0.25= 2.5×16= 0.108÷2=
1.75＋32.5=16－5.07= 5.2÷13= 1.64÷41=
1.02×0.2= 0.26×0.3= 8.4×0.02=1.2×6=
0.8×0.05= 12.6÷0.03=8.71÷0.1=21÷0.21=
0.8×0.13= 0.34÷17=8.08÷0.4= 0.5×2.2=
1.24×4=3.27＋0.63= 5.02×0.3=0.3×0.5=
5.6÷7= 72÷ 7.2= 0.7÷0.35=0.7÷1.4
0.48÷0.04=1.25÷2.5=5.5＋5.5=16.8÷8=
0.54＋2.2= 3.5－0.05= 2÷0.02= 0.25×40=
1.5×0.6=0.32÷0.8= 12.25÷0.5= 73.5×0.1=
46.5＋52.5= 0.45×102= 1.25×88= 2.64＋3.85＋1.54=
8×1.25=7÷3.5=4.2÷0.7÷6= 0.4×8.6×25=
0.27÷0.3= 2.5×101=0.65×101－0.65= 2.6×7÷2.6×7=
0.02×0.5= 3.6×0.3= 6.3÷7=5.6×100=
7.8÷0.01= 5.4÷0.6=3.2÷5= 7×0.62=
1.5×0.6= 0.32÷0.8= 12.25÷0.5= 73.5×0.1=
2.5×2=0.5×10=0.6×8= 2.1×2=
0.61＋0.39=0.56÷28=10÷20= 4.08÷0.4=
1.2×0.3 = 6.6÷1.1 =4.9÷7= 0÷0.48=