四年级数学80道口算题_题型归纳 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= 本文来源：https://www.wddqw.com/doc/801c06a028f90242a8956bec0975f46527d3a7f1.html