四年级数学80道口算题

四年级数学80道口算题

4.9×500=

5.7×50=8.5×20=

0.8×60=1.7×60=8.2×500=

0.9×1.4=9.6×1.7=3.3×8.2=

3.8×6.3=9.4×9.8=7.9×1.2=

3.9×9.4=5.9×5.5=1.5×9.5=

6.7×10=8.7×40=1.2×50=

3.8×0.1=

4.9×7=7.6×3.6=

4.8×8.6=7.5×7.2=6×9.6=

17.38÷2.2=66÷7.5=9÷7.5=

3×0.8=0.3×5.9=9.5×1.8=

5×60=5.7×90=6.3×200=

0.3×50=5.3×400=9.9×80=

8.64÷2.4=67.2÷8=54.78÷6.6=

4.6×9=8.2×9=4.5×6=

3.4×8=5.1×7=1.4×5=

1.6×5=9.7×8=9.7×6=

2.5×8=4.4×2=5.4×6=

4.4×9.5=0.8+7.9=7.7－1.6=

15.6÷2.6=2.7×6.2=18.86÷4.6=

21.6÷3=8.37÷0.9=15.52÷9.7=

0.7－0.1=26.07÷3.3=4+6.1=

9.36÷1.2=6.4－0.6=3.5－0.1=

8.12÷2.8=16.5÷2.5=64.6÷8.5= 3.65÷7.3=61.64÷6.7=11.48÷4.1= 7×2=2.5×9=6.7×8=

6.6÷6=11.84÷3.2=1.56÷0.3=

13.86÷2.2=18.5÷5=2.72÷1.7=

80.04÷9.2=36.86÷9.7=79.21÷8.9= 4×6.2=3.5+6.9=1.4+0.3=

15.4÷4.4=3.2－2.5=7×7.9=