1
五年级上册口算（一） 分数
1
2 0.8×0.2= 5.6×3= 0.25×4= 3.1×0.2= 0.45×6=
3 0.4×0.25= 3.6×0.8= 2.9×1= 9.6×3= 0.05×0.4= 120×0.5=
4 7.3×4= 0.75×2= 4.3×0.2= 12.5×8= 66×0.4=
5 6.01×0.3= 0×34.5= 45.2×2=
6 1.3×3= 4.25×4=
7 0. 07×0.5= 33×0.04= 6.5×4= 8 2.3×0.06= 15×0.08=
9 0.09×0.9= 4.7×0.1= 54×0.8= 1.6×0.03= 0.8×0.9= 10 0.6×100= 17.5×0.01= 3.2×0.5= 25×0.4= 12.5×0.8=
11 6×6.5= 3.6×0.7= 12 6.5×0.4= 8.5×0.2=
13 0.66×0.3= 14 2.5×0.4= 7.7×0.8=
15 0.012×20=
4.6×0.4=
16 3×0.09= 17 2.2×0.05=
4.1×0.6=
18 0.75×0.4=
23×0.4=
19 0.32×100=
20
2
五年级上册口算 （二） 分数
21
22 5.5×2= 4.73×10= 23 0×23.5= 0.25×4= 24 7.2×0.5= 25 3.3×0.5=
60×0.8=
26 3.4×0.6= 0.125×8= 4-1.4=
27 82-7.2= 19+9.1= 4.1-0.89= 28 5.68+0.42= 6.1-5.1=
29 0.72- 0.24= 0.8+0.18= 0.89-0.25= 30 1-0.98= 0.048+0.52=
31 5×400= 19.9+11.1= 187÷1000= 32 1+3.89= 0.081×10=
33 75÷10= 0.96÷8= 0.8×7= 1.5×7= 1.32×8= 34 0.7×8= 10.3×2= 5×0.6= 0.9×0.3= 3.5×0.2= 35 2.01×0= 10×0.05= 0.13×7= 0.21×100= 0.7×4= 36 0.05×4= 4×0.3= 430-250= 0.17+0.06= 1.02-0.09= 37 7200÷800= 0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09=
38 五年级上册口算（三） 分数
39
3
40 0.2+0.78= 600×0.7= 10.2+0.02= 0.15+0.7= 670+250= 41 10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3= 42 25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= 43 0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250= 44 3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3= 45 630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53= 46 9.5-0.5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 47 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16= 48 23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3= 49 125×80= 0.078÷10= 0.52+0.4= 70×12= 0.25×100=
50 五年级上册口算（四） 分数
51
52 3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75= 53 0.5×1000= 0.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8= 54 21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000=
55 2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+4.8=
56
4
3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= 57 3.7+0.33= 0.51+0.33= 1-0.6= 8-
4.6=
5.8-3.6= 58 0.52+0.4=
6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53= 59 8.8-6.7= 10+0.08= 9.5-
7.3= 7.2+0.8= 7.82+0.3= 60
8.8-6.7=
9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35= 61 9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= 2.7+0=
62 五年级上册口算（五） 分数
63
64 12.5×8= 2.3×4= 3.25×0= 0.4×50= 30×0.1= 65 2.6×3= 4.1×2= 0.35×0.2= 7.5×0.1= 2.5×2= 66 0.5×10= 0.6×8= 2.8×10= 0.7×0.8= 5.6+0.4= 67 4.7+2.3= 4.5×2= 7.2×0.8= 6×3.4= 0.62-0.32= 68 0.75×100= 0.02×0.5= 3.6×0.3= 5.6×100= 0.75÷0.25= 69 0.125×8= 0.86÷2= 0.56÷28= 0.36÷0.4= 0.7×9= 70 3.6÷24= 0.8×1.1= 46.7-3.8= 12.8÷4= 5.2÷13= 71 1.64+4.1= 10÷20= 24÷15= 0.35×0.6= 4.7+2.3= 72 4.5×2= 6.9－2.5= 7.2×0.8= 6×3.4= 0.62－0.32=
73
