北師大版四年級下冊計算練習題(1)[1]

1、一、口算 4.82.8= 3.661.25= 50,42= 0.01×10= 53.8×10= 0.618×100= 4×3= 3.6×2.4= 1.1×0.4= 0.7×2= 1.5×0.2= 0.39÷3= 二、豎式計算 45.233.5= 1.3+2.5= 1.50.5= 1.9+8.1= 0.01×50= 53.8×100= 18.1×10= 4×0.3= 36×2.4= 0.02×7= 0.7×0.2= 3.8×4=

2、 7.2÷4= 3.11+2.22= 0.36+0.64= 4.3+2.31= 0.01×100= 53.8×1000= 9.87÷10= 0.4×0.3= 3.6×24= 0.3×1.3= 3×6= 2.5×4= 6÷5= 26.2+13.1= 2.1+0.6= 0.7+0.23= 0.01×1000= 1.414×10= 1.4×100= 13×3= 0.36×2.4= 0.3×0.2= 0.3×6= 20×0.

3、5= 12.3+11.2= 0.969.7= 0.75+0.25= 0.09×10= 0.1×1000= 0.01÷1000= 0.13×2= 0.6×0.7= 0.5×1.8= 0.3×0.6= 4.8÷1.6= 35.813.3= 10.9= 0.17+0.33= 0.09×100= 36.9÷10= 43.21÷1000= 0.13×0.2= 0.9×0.1= 1.5×1.8= 15×2= 1.5×5= 1.25+2.41= 10

4、.56= 0.2×0.4= 0.09×1000= 3.14×100= 0.3×0.2= 36×24= 0.8×5= 7×2= 1.5×2= 104.5= 3833.4= 8.25+1.55= 7.32.25= 102.45= 3.7+2.36= 10.28.75= 15.4+2.97= 5.94+10.7= 11.657.39= 103.14= 11.7+40.3= 3.152= 87.23= 3.8+3.54= 3.052.9= 8534.7= 0.7×7.8= 1.3×0.25= 1.44&

5、#215;3.98= 1.44×3.98= 1.36×0.8= 0.78×0.04= 4.8×0.25= 4.8×1.2= 0.32×0.8= 0.32×1.2= 9.8×0.5= 9.8×1.3= 654×0.9= 2.42×1.1= 3.14×1.5= 2.6×0.8= 2.15×2.1= 2.1×60= 0.12×50= 2.6×0.5= 1.2×60= 2.13×4= 4.8×0.3= 1

6、.3×2.2= 9.6×0.8= 3.25×1.8= 4.8×1.3= 4.8×0.9= 9.34×1.4= 0.7×9.32= 1.87×2.3= 0.15×0.63= 1.8×0.85= 48×0.15= 0.86×1.2= 0.125×8= 12×0.16= 12.9÷6= 7.42÷7= 8.2÷5= 0.98÷2.8= 15.9÷15= 26÷4= 12÷16= 32÷

7、;5= 54÷36= 4÷25= 7.79÷95= 435÷12= 35÷56= 134÷4= 610÷16= 182÷52= 15.6÷6= 8.54÷0.7= 35÷0.5= 12.6÷0.3= 0.768÷1.6= 8.4÷0.56= 37.1÷0.53= 2.7÷7.5= 0.78÷2= 4.06÷0.58= 0.7÷0.25= 32÷0.08= 6.21÷0.3= 0.21&#

8、247;0.025= 6.3÷0.42= 0.012÷0.25= 41.6÷2.6= 7÷0.35= 0.63÷0.7= 30.6÷4.5= 0.4÷0.5= 72.9÷9= 4.2÷1.2= 0.16÷2.5= 72.9÷0.9= 4÷3= 4.2÷0.12= 0.16÷0.25= 73÷3= 9.4÷11= 3÷8= 14.2÷11= 0.4÷9= 10÷9= 1÷7= 2÷

9、;4= 5÷6= 4.48÷3.5= 13.3÷0.95= 12.3÷1.5= 7.2÷0.64= 24÷1.5= 42.7÷7= 63.9÷0.9=0.23÷5= 82.5÷15= 7.8÷75= 25.2÷18= 0.448÷32= 21.6÷12= 2.88÷1.5 2.88÷1.5= 46.23÷23= 0.14÷0.08= 19.2÷1.6= 1.92÷0.16= 0.192÷

10、0.016= 5.3×2.4= 54.6÷0.91= 1.25×0.72= 9.6×4.5= 21÷0.75= 9.61.64= 62.4+7.62= 8×1.57= 8.95÷5= 13.3×0.95= 12.3×1.5= 9÷3.6= 4.2×3.2= 117÷36= 1.8×5.5= （保留二位小數(shù)） 8.09×6.7= 600÷8.09= 1.79×1.2= 45.4÷15= 4.48×3.5= 三、計算并驗

11、算 12.6÷0.28= 8.84÷1.7= 62.9÷17= 2.1÷0.56= 9÷0.36= 4.2×3.2= 117÷36= 1.8×5.5= 四、脫式計算 9.43(8.65+0.40) 4.6+12.3+5.8 15(1.3+3.9) 4.61.75+2.08 5(4.192.83) 7.41(2.96+3.04) 4.28+0.533.37 3.2+1.272.49 1.54+2.08+3.62 9.5+4.856.36 5.6+2.7+4.4 4.6(1.75+2.08) 4.023.5+0.98

12、70.81.251.75 54.19+2.83 2.6+1.4×3 (8+0.8)×1.25 2.5×0.61.8×0.5 2.5×2.8×4 2.5×13+0.9 0.25×13.7×0.4 1.83+3.79+0.17 221.6×7 0.89×4.8+0.89×5.2 100.340.66 12.8+2.04×9.5 6.15×9.442 4.5×3.6+5.2×0.35 4.5×0.9+5.5×0.9 35.

13、7÷14÷30 5.4÷（2.7×4） 9.4×0.96÷(5.4÷0.9) 52÷6.5+26×0.37 1.6×(2.25+10.5÷1.5) 90÷(3.61.8) 3.4×7.8÷3.9 0.36÷(6.14.6) ×0.8 54÷(3.94+6.86) 0.175÷0.25×4 (3.2+0.12)÷0.8 0.175÷0.25×0.4 28.7÷7+4.5

14、 96÷(15.412.2) 2.4×3÷0.18 9÷0.3×(86.5) 7.8+4.56+2.2 12.7+12.5÷5 0.4×99+0.4 3.6×42.5 0.65×6.40.65×5.4 5.011.9+4.99 78÷0.25÷0.4 五、解方程 x19=2 x12.3=3.8 4x=380 3y=45 1.6x=3.36 47+x=47 4x=42 6m=42 y21=14 6y=54 x÷7=12 a18=26 1.2x=48 24n=96 2x+20=80 3x+6=15 0.5x2=24 x+3x=180 2xx=4 4m2m=48 5y+y=96 y+y=33 x+3x=72 5x2x=