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Mathematical calculation：
Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
It supports mathematical functions (including trigonometric functions).
Enter the mathematical formula directly and click the "Next" button to get the calculation answer.
It supports mathematical functions (including trigonometric functions).
Current location：Mathematical operation > History of Mathematical Computation > Answer
Overview: 7 questions will be solved this time.Among them
☆3 arithmetic calculations
☆4 integer calculations
[1/7 Formula]
Work: Calculate the value of equation 138×25×4 .
Question type: Mathematical calculation
Solution:
138×25×4
=3450×4
=13800
Answer:138×25×4=13800
[2/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 2370+1995
Solution:
2370+1995 = 4365
Column vertical calculation:
[3/7 Formula]
Work: Calculate the value of equation (13×125)×(3×8) .
Question type: Mathematical calculation
Solution:
(13×125)×(3×8)
=1625×(3×8)
=1625×24
=39000
Answer:(13×125)×(3×8)=39000
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 3999+498
Solution:
3999+498 = 4497
Column vertical calculation:
[5/7 Formula]
Work: Calculate the value of equation (12+24+80)×50 .
Question type: Mathematical calculation
Solution:
(12+24+80)×50
=116×50
=5800
Answer:(12+24+80)×50=5800
[6/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 1883-398
Solution:
1883-398 = 1485
Column vertical calculation:
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 704×25
Solution:
704×25 = 17600
Column vertical calculation:
>>注：本次最多计算 7 道题。
☆3 arithmetic calculations
☆4 integer calculations
[1/7 Formula]
Work: Calculate the value of equation 138×25×4 .
Question type: Mathematical calculation
Solution:
138×25×4
=3450×4
=13800
Answer:138×25×4=13800
[2/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 2370+1995
Solution:
2370+1995 = 4365
Column vertical calculation:
| 2 | 3 | 7 | 0 | |||
| ➕ | 11 | 91 | 9 | 5 | ||
| 4 | 3 | 6 | 5 | |||
[3/7 Formula]
Work: Calculate the value of equation (13×125)×(3×8) .
Question type: Mathematical calculation
Solution:
(13×125)×(3×8)
=1625×(3×8)
=1625×24
=39000
Answer:(13×125)×(3×8)=39000
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 3999+498
Solution:
3999+498 = 4497
Column vertical calculation:
| 3 | 9 | 9 | 9 | |||
| ➕ | 1 | 41 | 91 | 8 | ||
| 4 | 4 | 9 | 7 | |||
[5/7 Formula]
Work: Calculate the value of equation (12+24+80)×50 .
Question type: Mathematical calculation
Solution:
(12+24+80)×50
=116×50
=5800
Answer:(12+24+80)×50=5800
[6/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 1883-398
Solution:
1883-398 = 1485
Column vertical calculation:
| 1 | 1 | |||||
| 1 | 8 | 8 | 3 | |||
| ➖ | 3 | 9 | 8 | |||
| 1 | 4 | 8 | 5 | |||
[7/7 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 704×25
Solution:
704×25 = 17600
Column vertical calculation:
| 7 | 0 | 4 | |||||||
| ✖ | 2 | 5 | |||||||
| 3 | 5 | 2 | 0 | ||||||
| 1 | 4 | 0 | 8 | ||||||
| 1 | 7 | 6 | 0 | 0 | |||||
>>注：本次最多计算 7 道题。