小学五年级数学易错口算题

在括号里填上><或=0.8×8.2()8.272.5÷5.8()198.7÷0.65()98.77.4×1.2()7.41.8÷5.8()13.76÷5.8()3.762.8×8.2()8.20.03÷0.1()119.3÷5.8()13.4×11.2()11.216.2×0.9()16.23.8÷2.7()191÷5.8()910.02×1.9()1.912.5×0.7()12.50.05÷0.07()11.3÷2.1()18.4×4.8()8.41.6×18.4()18.41.5÷3.1()10.03×10.4()0.030.86÷0.31()0.8625÷34.3()10.7×11.4()11.432.8×1.4()32.878÷4.3()780.6÷0.31()10.8×2.4()2.40.9÷1.4()1.9÷1.49.7÷0.34()9.7×0.348.6×1.4()8.2÷1.498÷0.34()99÷0.3467×1.4()3.6×1.40.9×1.4()0.9÷1.41.9÷3()1.9÷0.467×1.4()67×4.13.4×0.87()0.879.9×0.86()0.860.98×1.4()1.49.4×1.2()1.20.99×0.87()11.6×1.07()12.11×0.99()0.992.4×3.5()0.24×356.7×2.5()0.67×2.512.7×20.5()127×0.205在括号里填上适当的数67.9×0.06=6.79×()7.5÷0.06=750÷()0.069÷()=69÷587.34×1.57=()×15.737.3÷0.06=3.73÷()29.8÷0.06=()÷600.09×7.29=90×()()×271.7=4.63×2717()×7.29=90×729168÷0.06=0.168÷()计算6.78×12.1+2.2×6.78+6.78×5.7=9.2×8.1–1.1×9.2+3×9.2=125×19.1–125×5.1-6×125=125×2.1+12×12.5+1.25×470=9.876×2.1+98.76×0.79=3.274×18.5–327.4×0.085=125×21.1-125–10.1×125=68.23×100.119.87×99.9==125×88.0825×40.04==比较A、B、C大小A×0.9=B÷0.9=C×0.2A×0.2=B×1.3=C×2A÷1.9=B÷0.9=C÷0.22×A=0.9×B=20×C1.9÷A=3.8÷B=0.5÷C口算30×0.7=21.4×5=3×91=4.3×0.2=80×3.1=12.3×0.3=8.3×0.2=7.81×3=6.08×0.6=3×7.81=0.6×6.08=1.5×4=1.2×5=3.1×0.5+0.2=7-2×4=7-1.5×4=8.4×0.6=9.3×0.3=13.8-1.9-0.1=56.2×0.6+0.4×56.2=98.35×0.6+4×9.835=3.7×0.06=0.5×3.61×2=9.1×101–9.1=2.5×8.69×4=0.35×98–0.7=0.12÷2=12÷24=0.92÷4.6=0.3÷0.06=3.6÷0.9=0.3÷0.15=77÷0.7=14.7÷70=75.6÷90=0.63÷30=6300÷0.03=3÷0.3=8.2÷0.01=3.2÷1.6-0.6=3.8÷0.0001=10-0.6÷0.1=2.14÷2+0.03=6.67÷2.89×2.89=500÷25×4=3.5÷0.8×0.8=2400÷25÷4=68÷1.25÷0.8=629÷25÷4=94÷2.3–48÷2.3=1.5×7+8.5×7=7.8+7.8÷7.8=3.62×2.9÷3.62=3.8÷4+5÷4=760÷8-600÷8=60÷4+60÷2=90÷4+90÷5=1.75÷80+2.25÷80=1.6+2.4×3=9.9×2.7+0.27=27.8×2.5÷27.8=1.25×5.4×0.8=7÷0.5×2=10÷1.25×8=2.6×21-2.6×20=8.4÷21–8.4÷20=80×125.125=6.4×8÷3.2=7.42+8.29-3.42=(9.2+1.6)×2÷2=4.98×11÷11=3.19×101–3.19=0.25×9–0.25×5=7.5–1.5÷3=13.4×0.4÷13.4×0.4=a×a=1×x×y=1×x=2.5×(a×4)=y×5–4y=6m–3m-2m=20–5a–3a=2n–1.5+n=解方程800x=40x–9×2=303+5x=8