人教版五年级上数学30页口算.doc

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1、五年级上册30页口算2.5×4 =        20×0.5=          7.2÷1.2 =     3.86÷100= 8.2÷10=  1-0.45=  3.9×0.01=   98.4×100=       9.1÷1.3=  36+2.45=0.48×0=        0.42÷7= 73×4×25=  1.28×8=       0.69÷1=  1.21÷0.6=         0.5÷0.2=        0.6×0.9=8.4÷2.1= 76÷1000=      8.7-5=40×25=  0.51×100=       0.58×99=  0.

2、1×0.5=  7.2÷0.9= 0.27÷0.03=10÷2.5=   6.8÷68= 0.5×8=7.5×4=   0.9×0.3=3.6×0.4=39.68×0=3÷30=1.1×9=4÷0.5=12÷0.06=12÷1.2=-30-47.6×1=6.45×0.01=12.5×8=50×0.04=0.15×7=3.6×0.4=80×0.3=6.03×1000=1.25－0.25=10×0.6=3×0.9=1.8×20=0.1×0.1=0.24×0.5=5.4＋3.6=0.6×0.8=10.2×4.5＝2.5×6＝9×0.25＝0.125×4=2.4×3＝4÷5＝2.5×0.

3、4=1.6÷0.5＝16×0.01=1.78÷0.3=0.27÷0.003=0.01÷0.1=3.6÷0.4=0.6×0.8＝ m×m= 0.5×2÷0.5×2=        12.4-(2.4+3.25)= m+m=    1084÷18×4=            2.6+3.1-2.6+3.1=m×1=12.5÷0.5÷0.4= 0×0.995×1000=5.7a+a= 2.5×4×0.36=1.25×8×0.625=-30-  x-0.3x= 0÷4.61÷4.61=     3.2×6+3.2×4=4a×7=1.5÷1.5＋1.5=2.5×1.95×0.4=  5d-

4、2d=38.5×0×0.38=0.5×4÷0.5×4=x-0.4x=1.25×8×0.5=2.5×2.3×4=0.2÷0.05＝0.12×0.7＝3.6－1.2÷2.4=4.25×4= 0.2+0.8×0.5=4.7×6＋4×4.7=0.07×0.5=33×0.04=6.5×4=2.3×0.06=15×0.08=0.09×0.9=4.7×0.1=0.6×100=12.5×0.8=54×0.8=1.6×0.03=0.8×0.9=25×0.4=17.5×0.01=3.2×0.5=6×6.5=3.6×0.7=6.5×0.4=8.5×0.2=0.012×20=4.1×0.6=2.5×0.

5、4=0.66×0.3=7.7×0.8=-30-4.6×0.4=3×0.09=2.2×0.05=23×0.4=0.75×0.4=0.32×100=5.5×2=7.2×0.5=0.125×8=0×23.5=4.73×10=0.25×4=3.3×0.5=60×0.8=3.4×0.6=4-1.4=82-7.2=19+9.1=4.1-0.89=0.8+0.18=0.048+0.52=5×400=5.68+0.42=6.1-5.1=1-0.98=0.72-0.24=0.89-0.25=1+3.89=19.9+11.1=187÷1000=0.081×10=75÷10=0.96÷8=0.8×7=

6、1.5×7=5×0.6=1.32×8=0.7×8=10.3×2=0.9×0.3=3.5×0.2=2.01×0=-30-10×0.05=0.05×4=1.02-0.09=0.13×7=0.21×100=0.7×4=4×0.3=430-250=0.17+0.06=7200÷800=0.17+0.6=0.83-0.6=10.2+0.02=17×300=9.2-6=0.98-0.09=0.2+0.78=600×0.7=0.15+0.7=670+250=10.2+0.2=8500÷500=3.2-3.2=3.7+2.3=25×100=0.35+0.5=3.8+0.38=3.2-0.32=2

7、+2.8=380-290=0.35+0.63=3500÷70=3.1+3=-30-7500÷250=3.8+1=0.95-0.05=3.1+0.3=3+0.3=　　630÷9=4.5-0.4=450+780=9.5-0.5=9.5-5=　330×9=9.53-1.53=3.5+2.4=1-0.95=0.3+0.27=4.5+4=4-0.6=　0.95+0.05=2.5+3.2=0.47+0.13=480÷40=0.74+0.16=　　23×100=9.8-4.8=0.53÷100