五上口算总集.doc

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1、一、口算12.4+12.5=3.56-0.3=5.78-1.06=13.6-2.7=76.8-5.9=36.2-13.6=25.1+25.7=35.8+34.9=63.3+3.83=34.1-10.9=36.8-5.2=45.7-2.4=57.2+1.8=32.1-6.7=25.1-13.6=20.3+0.5＝7.9＋2.1＝4.7-1.4＝8-0.8＝1.72－0.2＝4.8+0.8＝1.55＋0.5＝4.5-2＝102-2.9=1.5－0.5＝0.96－0.7＝0.8＋0.5＝3.16+12.3=2.4+16.8=6.2-3.8=33.7＋2.3

2、6＝0.8－0.2＝3.6+25.6＝1.25＋0.8＝2.4＋0.06＝0.72+0.8＝2.35+4.7=5.3+1.42=12.3-3.6=3.67-1.8=2.47+0.4=23.6+1.35=12.5-4.8=25.7-5.8=3.6+4.68=4637.5×4=2.3×4=0.08×100＝0.4×0.2＝1.25×85.2×6＝0.05×1.6=0.8×0.5＝0.3×0.3＝1.5×600＝3.76×0.1＝0.6×0.3=100×78.2=0.02×7＝　1.5×0.2＝51.6×0.4=10×2.3=2.5×4＝0.6×0.3＝1

3、.2×0.9＝0.1×4.5＝0.14×50＝0.9×0＝2.5×0.3=1.6×5=13×7=2.6×0.3=1.9×8=17×4=39×6=60.5×8=6.2×3=0.6×0.7=3.5×0.2=4.9×0.2=25×0.4=1.6×0.4=1.4×0.5=0.5×0.25=0.17×0.4=1.5×0.3=1.2×0.4=1.2×0.9=8.1×0.3=70×0.5=46724×0.03=6.2×0.03=3×0.15=4.2×0.01=0.25×0=1.5×0.6=0.18×3=10×1.6=4.2×0.7=1.6×0.2=0.64×2=0

4、.45×0.2=0.7×7=3.6×0.3=1.8×0.5=87.5×0.4=.4×0.16=0.06×1.5=65.8×100=300×15=0.33×3=8.5×1000=4.3×5=0.18×0.03＝0.5×0.2＝1.4×8＝5.5×6＝0.08×0.8=0.4×0.05＝0.13×0.5＝91.1×700＝5.16×0.01＝0.9×0.5=1000×18.7=0.07×9＝　1.8×0.5＝0.6×0.8=5.2×4=0.6×0.6=6.5×0.01=4.2×0.2=2.5×0.04=1.8×0.2=1.9×0.02=0.5×0.24=

5、461054÷6=5.4÷6=0.54÷6=36÷9=3.6÷9=0.36÷9=4.8÷12=0.48÷12=0.048÷12=4.2÷2=0.42÷2=0.042÷2=3.5÷5=0.35÷5=0.0035÷5=111.2÷3=0.48÷6=4.6÷23=6.8÷4=0.72÷12=0.72÷4=9.6÷6=5.2÷13=12.5÷5=1.1÷2=12.6÷30=0÷30=2.5÷10=0.15÷8=4.2÷14=121.2÷6=0.5÷10=0÷15=1÷00=6.3÷21=0.36÷3=0.063÷21=4.8÷8=3.5÷5=6.8÷4=0.

6、72÷12=4.6÷23=9.6÷6=5.2÷13=0.72÷4=46131.6÷0.8=7.2÷0.6=3.9÷3.9=1.8÷0.9=6.3÷0.9=0÷6.81=80÷1.6=8÷0.5=0.32÷0.1=0.5÷0.2=1.2÷0.4=6.3÷0.3=0.92÷4=6÷0.2=0.4÷0.8=140.56÷1.4=0.6÷1.2=0.15÷0.3=8.2÷0.2=48÷1.6=9.2÷0.4=2.7÷9=3.2÷0.4=4.9÷0.7=5.6÷0.8=3.6÷0.8=21.6÷0.4=6÷0.5=5÷0.25=3.9÷3.9=151.8÷0.

7、06=7.5÷0.25=0.28÷0.04=0.25÷0.05=1.2÷0.03=0.76÷0.04=7.2÷0.16=0.46÷0.02=0.42÷0.05=3.06÷0.02=8.2÷0.01=0.51÷0.17=1.6÷0.04=1.5÷0.05=0.5÷0.25=461600.16÷0.4=1.5÷0.3=1.2÷0.4=1.6÷0.2=0.64÷16=0.5÷0.25=0.48÷16=3.6÷1.8=1.8÷05=7.5÷15=.1÷0.25=6÷1.2=7.2÷0.9=8.1÷0.3=70÷0.5=17024÷0.03=6.2÷0.3=3

8、÷0.15=4.2÷0.01=0.15÷5=0.48÷0.03=3.6÷100=72÷0.9=4.8÷4=2