2.7+6.3= 0.58+3.5= 6-2.2= 5.6-2.8=
25× 12= 6.68-2. 1= 6.38+5.62= 3.92-0.9=
0.25× 10= 100×2.003= 62÷ 10= 123.5÷ 100=
9.025× 100= 9-2.3-3.7= 4×3 1×25= 28×0÷54=
65+37×0= 5.5+2.8 1+4.5= 25×4÷25×4=
Second, the vertical calculation and checking calculation:
12.65+3.5= 85.6-3.2 1=
Third, calculation, some can be simple and easy to calculate:
89×99+89 2.63+5.8+7.37+4.2 52× 15-5×52 55× 102
2.58- 1.6+3.42 125×64 45×25+75×45 23.5-2.8-7.2
58.65-(3.2+8.65) 99× 125×8 3200÷25÷4 250÷8×4
80+( 146-46×3) 48-(5.2+2.03× 10) 32× 15+(32.6+8.09)
The name of the student number on the first day of the fourth grade calculation exercise
I. Numbers written directly:
2.7+6.3= 0.58+3.5= 6-2.2= 5.6-2.8=
25× 12= 6.68-2. 1= 6.38+5.62= 3.92-0.9=
0.25× 10= 100×2.003= 62÷ 10= 123.5÷ 100=
9.025× 100= 9-2.3-3.7= 4×3 1×25= 28×0÷54=
65+37×0= 5.5+2.8 1+4.5= 25×4÷25×4=
Second, the vertical calculation and checking calculation:
12.65+3.5= 85.6-3.2 1=
Third, calculation, some can be simple and easy to calculate:
89×99+89 2.63+5.8+7.37+4.2 52× 15-5×52 55× 102
2.58- 1.6+3.42 125×64 45×25+75×45 23.5-2.8-7.2
58.65-(3.2+8.65) 99× 125×8 3200÷25÷4 250÷8×4
80+( 146-46×3) 48-(5.2+2.03× 10) 32× 15+(32.6+8.09)
The name of the student number of the second grade calculation exercise in grade four.
I. Numbers written directly:
3.7+8.4= 0.58+3.2= 6-3.3= 5.4-2.8=
25× 16= 6.68-2.5= 6.38+8.62= 3.92-0.2=
0.225× 10= 100×2.03= 6.2÷ 10= 123÷ 100=
0.025× 100= 13-2.3-3.7= 4×28×25= 36×0÷2.55=
2.8+58×0= 5.5+4.52+4.5= 100×3÷ 100×3=
Second, the vertical calculation and checking calculation:
12.65+7.5= 83.6-4.35=
Third, calculation, some can be simple and easy to calculate:
99×85+85 5.63+8.8+4.37+ 1.2 36× 19-9×36 55× 10 1
2.38-2.4+3.62 125×24 75×55+75×45 27.5-6.8-3.2
55.83-(3.2+5.83) 29× 125×8 5600÷25÷4 250÷8×4
58+( 124-24×3) 32.3-(5.02+2.03× 10) 32× 18+(32.6+ 18.09)
The name of the student number of the second grade calculation exercise in grade four.
I. Numbers written directly:
3.7+8.4= 0.58+3.2= 6-3.3= 5.4-2.8=
25× 16= 6.68-2.5= 6.38+8.62= 3.92-0.2=
0.225× 10= 100×2.03= 6.2÷ 10= 123÷ 100=
0.025× 100= 13-2.3-3.7= 4×28×25= 36×0÷2.55=
2.8+58×0= 5.5+4.52+4.5= 100×3÷ 100×3=
Second, the vertical calculation and checking calculation:
12.65+7.5= 83.6-4.35=
Third, calculation, some can be simple and easy to calculate:
99×85+85 5.63+8.8+4.37+ 1.2 36× 19-9×36 55× 10 1
2.38-2.4+3.62 125×24 75×55+75×45 27.5-6.8-3.2
55.83-(3.2+5.83) 29× 125×8 5600÷25÷4 250÷8×4
58+( 124-24×3) 32.3-(5.02+2.03× 10) 32× 18+(32.6+ 18.09)
The name of the student number of the calculation exercise in grade four and grade three.
I. Numbers written directly:
3.7+7.3= 0.56+3.4= 6-3.22= 5.4-4.5=
25×28= 6.88-2.8= 0.9 1+0.09= 3.92-0.2=
0.225× 10= 100×2.03= 6 1.5÷ 10= 6.5÷ 100=
0.005× 100= 16-5.3-4.7= 4×2.7×25= 36×0÷55=
6.8+58×0= 7.5+5.52+2.5= 50-25÷5=
Second, the vertical calculation and checking calculation:
32.7+7.52= 55.6-5.75=
Third, calculation, some can be simple and easy to calculate:
(270-30×9)÷5.5 36× 19- 19×26 25×45+75×45 38× 10 1
5.63+8.8+4.37+ 1.2 750-(550-300)÷25 6.38-2.4+5.62 125× 16
2 100÷25÷4 25×(40+4) 55.83-(8.2+5.83) 99×8.5+8.5
27.5-9.8-0.2 58+( 124-24×3) 8 157-( 103+ 157+597)
The name of the student number of the calculation exercise in grade four and grade three.
I. Numbers written directly:
3.7+7.3= 0.56+3.4= 6-3.22= 5.4-4.5=
25×28= 6.88-2.8= 0.9 1+0.09= 3.92-0.2=
0.225× 10= 100×2.03= 6 1.5÷ 10= 6.5÷ 100=
0.005× 100= 16-5.3-4.7= 4×2.7×25= 36×0÷55=
6.8+58×0= 7.5+5.52+2.5= 50-25÷5=
Second, the vertical calculation and checking calculation:
32.7+7.52= 55.6-5.75=
Third, calculation, some can be simple and easy to calculate:
(270-30×9)÷5.5 36× 19- 19×26 25×45+75×45 38× 10 1
5.63+8.8+4.37+ 1.2 750-(550-300)÷25 6.38-2.4+5.62 125× 16
2 100÷25÷4 25×(40+4) 55.83-(8.2+5.83) 99×8.5+8.5
27.5-9.8-0.2 58+( 124-24×3) 8 157-( 103+ 157+597)
The name of the student number on the fourth day of the fourth grade calculation exercise.
First, fill in the appropriate numbers in brackets, and then list the comprehensive formulas:
25 + 55 450- 130 3.6+7.4
12 × ( ) ( ) ÷ ( )
( ) ( )
Comprehensive formula: comprehensive formula:
Third, calculation, some can be simple and easy to calculate:
44× 12-88 89×32+89×68 6.9 1-3.4+5.09 125×24
75+360÷(20-5) 1880-(59+2 1)× 12 (75+240)÷(20-5)
25×(40+4) 64.56-(8.2+4.56) 72×99+72 30.5-5.3- 1.7
Fourth, column calculation.
1, what is the product of the difference between 72 and 4 multiplied by the sum of 56 and 26?
2. 1 1.5 is 2.5 times smaller than a number. What's this number?
The name of the student number on the fourth day of the fourth grade calculation exercise.
First, fill in the appropriate numbers in brackets, and then list the comprehensive formulas:
25 + 55 450- 130 3.6+7.4
12 × ( ) ( ) ÷ ( )
( ) ( )
Comprehensive formula: comprehensive formula:
Third, calculation, some can be simple and easy to calculate:
44× 12-88 89×32+89×68 6.9 1-3.4+5.09 125×24
75+360÷(20-5) 1880-(59+2 1)× 12 (75+240)÷(20-5)
25×(40+4) 64.56-(8.2+4.56) 72×99+72 30.5-5.3- 1.7
Fourth, column calculation.
1, what is the product of the difference between 72 and 4 multiplied by the sum of 56 and 26?
2. 1 1.5 is 2.5 times smaller than a number. What's this number?
The name of the student number on the fifth day of the fourth grade calculation exercise.
First, fill in the appropriate numbers in brackets, and then list the comprehensive formulas:
2.65 +3.35 520-40 3.6+8.4
15 × ( ) ( ) ÷ ( )
( ) ( )
Comprehensive formula: comprehensive formula:
Third, calculation, some can be simple and easy to calculate:
33× 13-99 87×52+87×48 6.8 1-4.4+5. 19 125×24
65+320÷(20- 15) 860-(48+ 12)× 12 (750+240)÷(0.3× 100)
25×(40+4) 24.56-(8.2+4.56) 88×99+88 20.5-6.3-3.7
Fourth, column calculation.
What is the product of the sum of 1, 72 and 14 multiplied by the difference between 54 and 24?
2. A number is less than 2.5 times of 1 1. What's this number?
The name of the student number on the fifth day of the fourth grade calculation exercise.
First, fill in the appropriate numbers in brackets, and then list the comprehensive formulas:
2.65 +3.35 520-40 3.6+8.4
15 × ( ) ( ) ÷ ( )
( ) ( )
Comprehensive formula: comprehensive formula:
Third, calculation, some can be simple and easy to calculate:
33× 13-99 87×52+87×48 6.8 1-4.4+5. 19 125×24
65+320÷(20- 15) 860-(48+ 12)× 12 (750+240)÷(0.3× 100)
25×(40+4) 24.56-(8.2+4.56) 88×99+88 20.5-6.3-3.7
Fourth, column calculation.
What is the product of the sum of 1, 72 and 14 multiplied by the difference between 54 and 24?
2. A number is less than 2.5 times of 1 1. What's this number?