五年级口算(20)加脱式计算(5)十天

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1

口算:

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=

脱式计算:

(1) 50+160÷40× (58+370)

(2) 120-144÷18+35

(3) 347+45×2-4160÷52

(4) (58+37 )÷(64-9×5 )

(5) 95÷(64-45)

2

口算:

0.62-0.32= 0.75×100= 0.02×0.5= 3.6×0.3=

5.6×100= 0.75÷0.25= 0.125×8= 0.86÷2=

0.56÷28= 0.36÷0.4= 0.7×9= 3.6÷24=

0.8×1.1= 46.7-3.8= 12.8÷4= 5.2÷13=

1.64+4.1= 10÷20= 24÷15= 0.35×0.6=

脱式计算:

(6) 178-145÷5×6+42

(7) 420+580-64×21÷28

(8) 85+14×(14+208÷26 )

(9) (284+16)×(512-8208÷18)

(10) 120-36×4÷18+35

3

口算:

4.7+2.3= 4.5×2= 6.9-2.5= 7.2×0.8=

6×3.4= 0.62-0.32= 1.4×0.5= 0.75×100=

0.02×0.5= 3.6÷0.3= 6.3÷7= 5.6÷100=

0.75÷0.25= 0.125×8= 4.8÷0.3= 0.96÷2=

0.56÷28= 0.36÷0.4= 0.64÷0.8= 0.72÷3.6=

脱式计算:

(11) (58+37 )÷(64-9×5 )

(12) (6.8-6.8×0.55)÷8.5

(13) 0.12× 4.8÷0.12×4.8

(14) (3.2×1.5+2.5 )÷1.6

(15) 6-1.6÷4

4

口算:

3.6÷12= 0.8×1.1= 7.2+12.8= 46.7-3.8=

12.8÷4= 5.2÷13= 12.5÷5= 1.64÷41=

10÷20= 24÷15= 8.65×10= 0.35×0.6=

3.08×0.01= 4.95×1000= 6.9×0.1= 0.4×0.5=

2.4÷0.8= 10.8÷9= 9.6÷0.8= 0.108÷2=

脱式计算:

(16) 5.38+7.85-5.37

(17) 7.2÷0.8-1.2×5

(18) 6-1.19×3-0.43

(19) 6.5× (4.8-1.2×4 )

(20) 0.68×1.9+0.32×1.9

5

口算:

4.95÷0.9= 9.65÷0.1= 0.325×100= 2.5×8=

0. 56÷0.7= 0.125×4= 3.28×0.1= 3.9÷0.13=

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=

脱式计算:

(21) 10.15-10.75×0.4-5.7

(22) 5.8× (3.87-0.13 )+4.2×3.74

(23) 32.52- (6+9.728÷3.2)×2.5

(24) 100×24÷ (24-4 )

(25) 7.2 ×(9-5 )×0.3

6

口算:

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= 1.92÷0.4= 0.9÷0.3= 5.11÷0.7=

0.35÷0.1= 3.92÷0.8= 4.32÷0.9= 0.24÷0.8=

3.15÷0.7= 0.98÷0.7= 1.8÷0.6= 1.76÷0.4=

脱式计算:

(26) 120-144÷18+35

(27) 347+45×2-4160÷52

(28) (58+37 )÷(64-9×5 )

(29) 95÷ (64-45)

(136+64)×(65-345÷23)

7

口算:

2.64÷0.4= 7.56÷0.9= 1.19÷0.7= 1.53÷0.9=

1.33÷0.7= 1.18÷0.2= 0.09÷0.1= 0.21÷0.1=

1.54÷0.2= 8.28÷0.9= 3÷0.5= 1.71÷0.3=

7.44÷0.8= 2.48÷0.8= 0.75÷0.5= 1.92÷0.8=

3.69÷0.9= 2.28÷0.3= 0.25×0.4= 1.6÷0.8=

脱式计算:

(30) (58+37 )÷(64-9×5 )

(31) (6.8-6.8×0.55)÷8.5

(32) 0.12× 4.8÷0.12×4.8

(33) 3.2× (1.5+2.5)÷1.6

(34) 4.02+5.4+0.98

8

口算:

0.8×7= 1.32×8= 1.5×7= 0.7×8=

10.3×2= 3.5×0.2= 0.9×0.3= 5×0.6=

10×0.05= 0.13×7= 0.7×4= 0.05×4=

12.5×8= 0.4×50= 3.25×0= 2.3×4=

2.6×3= 7.5×0.1= 0.45×0.2= 4.1×2=

脱式计算:

(35) 5.17-1.8-3.2

(36) 13.75-(3.75+6.48)

(37) 3.68+7.56-2.68

(38) 7.85+2.34-0.85+4.66

(39) 35.6-1.8-15.6-7.2

9

口算:

3.5×0.01= 9×0.5= 0×9.8= 3.9+0.39=

4.1×2= 2.6×3= 1.25×8= 7.5×0.1=

1×0.06= 0.9×0.3= 9×0.5= 2.5×0.4=

10-3.52= 8.2+1.8= 0.2×0.4= 0.22×4=

0.9-0.52= 3.99×1= 4×0.3= 30×0.1=

脱式计算:

(40) 3.82+2.9+0.18+9.1

(41) 9.6+4.8-3.6

(42) 7.14-0.53-2.47

(43) 5.27+2.86-0.66+1.63

(44) 13.35-4.68+2.65

10

口算:

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= 0.48+0.52= 0.5×40= 0.125×8=

5.6÷1.4= 0.28÷1.4= 0.1÷0.5= 3.88÷0.4=

0.21×100= 3.4-1.4= 0.45×2.5= 0.8×1.25=

脱式计算:

(45) 47.8-7.45+8.8

(46) 0.398+0.36+3.64

(47) 15.75+3.59-0.59+14.25

(48) 42.5-(6.07+1.13)

(49) 73.8-1.64-13.8-5.36