五年级上册数学口算题综合练习

五年级数学上册口算题

1、一个数乘以0.5等于这个数除以2，即： a × 0.5 = a ÷ 2 = a × 12

2、一个数乘以0.1等于这个数除以10，变成了原来的十分之一，即：a× 0.1= a ÷ 10 = a ×

110

4.25×4= 0. 072.3×0.06= 1554×0.8= 1.617.5×0.01= 3.26×6.5= 3.60.66×0.3= 2.54.6×0.4= 30.75×0.4= 234.73×10= 03.3×0.5= 604-1.4= 82-7.2= 19+9.1= 4.1-0.89= 5.68+0.42= 6.1-5.1= 0.72- 0.24= 0.8+0.18= 0.89-0.25= 1-0.98= 0.048+0.52= 19.9+11.1= 75÷10= 1.32×8= 0.9×0.3= 0.13×7= 0.24×0.3= 430-250= 0.17+0.06= 1.02-0.09= 7200÷800= 0.17+0.6= 0.83-0.6= ×0.5= 33×0.08= 0.09×0.03= 0.8×0.5= 25×0.7= 6.5×0.4= 7.7×0.09= 2.2×0.4= 0.32×23.5= 0.25×0.8= 3.4187÷1000= 1+3.89= 0.96÷8= 0.7×8= 3.5×0.2= 1×100= ×0.04= 6.5×0.9= 4.7×0.9= 0.6×0.4= 12.5×0.4= 8.5×0.8= 0.012×0.05= 4.1×100= 5.5×4= 7.2×0.6= 0.1250.8×7= 10.3×2= 2.01×0= 0.7×4= ×4= ×0.1= ×100= ×0.8= ×0.2= ×20= ×0.6= ×2= ×0.5= ×8= 5×400= 0.081×10= 1.5×7= 5×0.6= 10×0.05= 0.05×4= 17×300=

0.98-0.09= 0.2+0.78= 600×0.7= 10.2+0.02= 0.15+0.7= 670+250= 10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3= 25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= 0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250= 3.1+0.3= 3+0.3= 9.5-5= 3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 4.5+4= 4-0.6= 0.74+0.16= 0.53÷100= 0.52+0.4= 0.6-0.37= 0.5×1000= 1.2-0.8= 21.6-12.6= 0.76+0.14= 30×100= 0.92-0.2= 3.5+4.8= 5+0.07= 1-0.61= 3.7+0.33= 5.8-3.6= 0.52+0.4= 6.45+5.5= 3.4-2.8= 9.53-1.53= 9.5-7.3= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35= 9.53-1.53= 0.25+0.75= 330×9= 23×100= 70×12= 0.052×10= 10+0.08= 1-0.75= 80÷1000= 630÷9= 4.5-0.4= 0.95+0.05= 2.5+3.2= 125×80= 0.25×100= 63÷100= 0.83-0.5= 0.47+0.23= 0.25+0.75= 8.8-6.7= 10+0.08= 1.2-0.8= 0.83-0.5=

480÷40= 0.078÷10= 3.05×100= 3.5+2.4= 3.8+1= 0.95-0.05= 450+780= 9.53-1.53= 9.5-0.5= 9.8-4.8= 5.1+2.3= 3.4-2.8= 0.82+0.3= 13.5+6.5= 2.7+0.4= 0.72-0.43= 0.51+0.33= 1-0.6= 8-4.6= 4.5-1.3= 7.2+0.8= 7.82+0.3= 8.8-6.7=

2.7+0= 12.5×8= 2.3×4= 3.25×0= 0.4×50= 30×0.1= 2.6×3= 4.1×2= 0.35×0.2= 7.5×0.1= 2.5×2= 0.5×10= 0.6×8= 2.8×10= 0.7×0.8= 5.6+0.4= 4.7+2.3= 4.5×2= 7.2×0.8= 6×3.4= 0.62-0.32= 5.6×100= 0.56÷28= 0.8×1.1= 46.7-3.8= 1.64+4.1= 4.7+2.3= 6×3.4= 0.620.02×0.5= 0.75÷0.25= 0.56÷28= 3.6÷12= 12.8÷4= 10÷20= 3.08×0.01= 2.4÷0.8= 10.84.95÷0.9= 9.650. 56÷0.7= 0.1257.2×0.1= 0.010.75×100= 0.75÷0.25= 0.36÷0.4= 10÷20= 4.5×2= 6.9－0.32= 3.6÷0.3= 0.125×8= 0.36÷0.4= 0.8×1.1= 7.2+12.8= 46.75.2÷13= 24÷15= 4.95×1000= ÷9= 9.6÷0.1= 0.325×4= 3.28×0.1= 0.02×0.5= 0.125×8= 0.7×9= 12.8÷4= 24÷15= －2.5= 1.4×0.5= 6.3÷7= 4.8÷0.3= 0.64÷0.8= 12.5÷5= 8.65×10= 6.9×0.1= ÷0.8= 0.108×100= 2.5×0.1= 3.9 3.6×0.3= 0.86÷2= 3.6÷24= 5.2÷13= 0.35×0.6=7.2×0.8= 0.75×100=5.6÷100= 0.96÷2= 0.72÷3.6=－3.8= 1.64÷41= 0.35×0.6=0.4×0.5= ÷2= ×8= ÷0.13= 0.07÷0.7=

1.2÷0.8=

1÷2.5= 1.25×0.8= 3.2÷0.04= 0÷1.7= 1.4÷0.5= 1.55÷0.5= 3.15÷0.7= 1.86÷0.2= 1.04÷0.8= 0.38÷0.1= 1.36÷0.2= 1.16÷0.4= 0.12÷0.6= 0.27÷0.9= 0.48÷0.2= 8.73÷0.9= 0.72÷0.3= 0.46÷0.1= 0.22÷0.2= 3.45÷0.5= 4.62÷0.6= 0.35÷0.1= 3.15÷0.7= 2.64÷0.4= 1.33÷0.7= 1.54÷0.2= 7.44÷0.8= 3.69÷0.9= 0.8×7＝ 1.3210.3×2＝ 3.510×0.05＝ 0.1312.5×8＝ 0.42.6×3＝ 7.53.5×0.01＝ 94.1×2＝ 2.61×0.06＝ 0.910－3.52= 8.21.92÷0.4= 3.92÷0.8= 0.98÷0.7= 7.56÷0.9= 1.18÷0.2= 8.28÷0.9= 2.48÷0.8= 2.28÷0.3= 0.25×8＝ 1.5×0.2＝ 0.9×7＝ 0.7×50＝ 3.25×0.1＝ 0.45×0.5＝ 0×3＝ 1.25×0.3＝ 9＋1.8= 0.20.9÷0.3= 4.32÷0.9= 1.8÷0.6= 1.19÷0.7= 0.09÷0.1= 3÷0.5= 1.70.75÷0.5= ×0.4= 1.6×7＝ 0.7×0.3＝ 5×4＝ 0.05×0＝ 2.3×0.2＝ 4.1×9.8＝ 3.9×8＝ 7.5×0.5= 2.5×0.4= 0.225.11÷0.7= 0.24÷0.8= 1.76÷0.4= 1.53÷0.9= 0.21÷0.1= 1÷0.3= 1.92÷0.8= ÷0.8= ×8＝ ×0.6＝ ×4＝ ×4＝ ×2＝ ＋0.39＝×0.1＝ ×0.4= ×4=

0.9－0.52= 3.99×1= 4×0.3= 30×0.1= 0.35×0.2= 1－0.08= 4.8＋5.2= 2.01×0= 2.4×5= 1.25×8= 2.5×4×12= 10-1.8-7.2= 7.82－7.2= 2.19＋9.1= 10.1－0.89= 6.8＋0.42= 0.8＋0.18= 0.72－0.24= 8.1－5.1= 0.89－0.25= 1－0.98= 0.485.6÷1.4＝ 0.280.21×100= 3.40.3×3.6＝ 0.05×7＝ 0.02×0.1＝100-35.22＝0.22×4＝ 0×3.52＝ 0.43+3.57= 16.5×10= 3.215×100=0.6×0.8 12.5×8= 0.16×5= 1.780.7÷0.01 =6.6÷0.66 =＋0.52= 0.5÷1.4＝ －1.4= 0.3×0.3＝ 0.92×0.4＝ 1.2×0.3＝ 2.3×4＝ 3.25×0＝ 0.912.5×8＝ 0.9×0.8= 0.56×100= 0.8×10= 3×0.9= 50×0.04= ＋2.2 = 2.5×0.4 = 5.37×0+4.63 = ×40= 0.1250.1÷0.5= 0.45×2.5＝ 10×0.07＝ 0.2×0.26＝ 0.2×0.4＝ 2.5×0.4＝ －0.52＝ 8÷10 = 1÷0.5= 3.78×100= 4.08×100= 2.5×0.4= 80×0.3 = 9.6÷0.6 = 12－3.9= ＋2.03＝ ×8= 3.88÷0.4= 0.8×1.25＝ 0.3×1.4＝ 0.14×4＝ 8.2＋1.8＝ 2.4×5＝ 3.99×1＝ 1.47÷0.7= 0.96÷3= 4÷0.8 = 1.1×0.2 = 3.6×0.4= 1.1×9= 1.2×0.5-0.4 = 1.25×8÷1.25 =4.2÷3.5＝

3.9

1.6+2.4×0.3 = 2.14－0.9＝ 2.7＋7.3= 0.3×0.3= 7.2＋2.8＝ 0.9÷0.01＝ 12÷0.3= 2.87÷0.7＝ 13÷4＝ 0.96÷0.3＝ 1.5×0.4＝ 7÷0.25＝ 2.5×0.7×0.8= 8－2.5＝ 16÷1.6＝ 5.6×1.01= 8×0.25＝ 0.36＋0.64＝ 64.32÷16＝ 4.2÷0.1＝ 72.8÷0.8＝ 13.8＋9.9＝ 1.25×0.8×0.5＝3.5＋3.5×3＝ 0.5×0.8= 2.8×0.3= 0.08×100= 0.35×0.3= 4÷0.5= 7.51.5÷3= 2.20.48÷0.8= 0.94.8÷0.16= 8.42.9÷100= 1.51÷0.01= 4.20.38+4.2= 07.2÷0.9= 4-0.18= 0.34×2.5= 1.28.4÷4.2＝ 2.4×2.5＝ 12×2.5＝ 19.6÷2＝ 8.4×0.2= 0.9÷0.15= 2.2÷0.11= 1.4×5= ÷1.5= 10×6= 0.42÷0.45= 5.1÷0.4= 1.8÷0.03= 4.4×5= 3÷3.89= 0.6÷0.04= 0.7+6.53= 3.61.5＋0.25）×4＝ 22.5×4= 0.05×0.8＝ 2.56－0.37＝ 1.23×3＝ 3.2÷1.6= 8.8÷2.2= 0.75×4＝ 1.6×0.2＝ 7.2×0.3= 1.8×0.4= 5.5÷0.55= ＋4.54= 12.5×0.8= 2.8×4= 19.6÷4= ÷2.5= 3.52÷1= ÷7= 0.42÷0.6= ÷0.17= 0.81÷9= ×5= 4.5÷0.9= ÷0.11= 9.6÷16= ÷0.5= 6.1-0.5= ×0.2= 6.4÷4= ÷0.1= 0.125×80= ÷0.06=

（ 5.46

1.25÷0.25= 1-0.75= 2.6÷1.3= 4.4+6.6= 7.4-0.54= 7.82÷0.1= 0.5×1.6= 8.4÷7= 1÷5= 0.4+0.26= 2.5×6= 5.4×6= 0.07×20= 0.45÷5= 3.5-2.9= 0.48÷0.24= 1.5÷0.03= 5.65+0.35= 3÷4= 0.3×2.9= 17.3-0.8= 2.52.5÷5= 601.8×0.5= 4.50.29÷0.01= 1.5+0.9= 150.96÷0.8= 2.42.8×5= 0.72187÷100= 0.9+0.28= 11.2+0.08= 7.21.2÷0.4= 0.615×0.3= 100.48÷1.2= 4.3+6.9= 1.651.4+2.6= 12.45÷2= 9.1-1.9= 0.362.5×4.4= 3.0632÷0.5= 0.25-0.19= 0.412.5×0.8= 644.16÷0.8= 5.4+6= 0.6÷0.5= 2.16-1.6= 30.4×3.2= 8.4÷0.15= 2.4×11= 8.1÷0.6= 0.5÷0.09= 0.13×11= 0.45÷2.5= 5.8-0.9= 3.4÷4= 12.5÷3= 6.6-6= 7.6÷0.8= 3.2-2.3= 60÷0.5= 87-8.7= ×5= 3.6÷0.3= 0.06÷9= 60.3+0.67= ×6= 0.001÷4= 4.03×4= 0.3÷0.15= 0.25+0.5= ÷0.3= 12-1.1= ×4= 9.5÷0.9= 0÷0.01= 2÷5= 3.3÷4= ÷0.02= ×0.9= ÷0.1= ×0.5= ÷0.2= ÷2= ÷0.5= ×5.4= ÷4= ×0.32= ÷0.2= ×8=