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口算练习(A)
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=
×= ×= 12×= +3= ÷=
÷4= ×= 5÷= ÷= ÷=
口算练习(B)
3.6÷24= 0.8×1.1= 7.2+12.8= 46.7-3.8= 12.8÷4=
0.4×0.5= 2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=
×2= ×13= ×= ÷3= 36×=
÷= 5÷6= ÷5= ×18= ÷=
口算练习(C)
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=
26×= ×2= ×= ÷= 24÷=
×= += ×= ÷8= +=
口算练习(D)
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=
×15= += ×= 14×= 1÷=
÷4= 3-1.95= -= ÷= ×27=
口算练习(E)
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=
×3= -= ×8= +3= 6÷=
0÷= 6.3÷0.07= 26×= ÷= 125×8=
口算练习(F)
16-5.07= 4.2×0.4= 0.72×6= 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=
6×= ×= ×= +6= ×=
×4= 0.5-= ×= 100÷= 88÷=
口算练习(G)
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=
+= 4×= 12÷= 25×4= 10÷=
÷4= ×= ×60= ×= 12÷=
口算练习(H)
0.5×2.2= 1.24÷4= 3.27+0.63= 5.02×0.3= 0.3×0.5=
1.25÷2.5= 5.5+55= 16.8÷8= 0.54+2.2= 3.5-0.05=
×8= ×11= 10÷= ×= ÷=
×= ×= 0×= 6÷0.5= 8.4÷4.2=
口算练习(I)
73.5×0.1= 46.5+52.5= 0.45×102= 0.25×88= 8×1.25=
2.5×101= 65×101-65= 2.6×7÷2.6= 2.64+3.85+1.36=
5×= ×= ÷2= ×= 5-=
÷1= 12÷= 1÷= ×= 28÷=
口算练习(J)
4.08÷0.4= 11-9.4= 0.8×0.11= 0.72+12.8= 5.6÷0.01=
5.6÷3.5= 4.2÷0.7÷6= 0.4×8.6×25= 0.27÷0.3=
0×= ×= -= ×= 24×5=
÷= ×= -= 1-= 9÷=
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