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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 31.5-12.2 .
Question type: Mathematical calculation
Solution:
31.5-12.2
=19.3
Answer:31.5-12.2=19.3
[2/7 Formula]
Work: Calculate the value of equation 26.8-6 .
Question type: Mathematical calculation
Solution:
26.8-6
=20.8
Answer:26.8-6=20.8
[3/7 Formula]
Work: Calculate the value of equation 12.5+4 .
Question type: Mathematical calculation
Solution:
12.5+4
=16.5
Answer:12.5+4=16.5
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 17+89
Solution:
17+89 = 106
Column vertical calculation:
[5/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 81+27
Solution:
81+27 = 108
Column vertical calculation:
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 28+35
Solution:
28+35 = 63
Column vertical calculation:
[7/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 66-7
Solution:
66-7 = 59
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 31.5-12.2 .
Question type: Mathematical calculation
Solution:
31.5-12.2
=19.3
Answer:31.5-12.2=19.3
[2/7 Formula]
Work: Calculate the value of equation 26.8-6 .
Question type: Mathematical calculation
Solution:
26.8-6
=20.8
Answer:26.8-6=20.8
[3/7 Formula]
Work: Calculate the value of equation 12.5+4 .
Question type: Mathematical calculation
Solution:
12.5+4
=16.5
Answer:12.5+4=16.5
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 17+89
Solution:
17+89 = 106
Column vertical calculation:
| 1 | 7 | |||
| ➕ | 1 | 81 | 9 | |
| 1 | 0 | 6 | ||
[5/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 81+27
Solution:
81+27 = 108
Column vertical calculation:
| 8 | 1 | |||
| ➕ | 1 | 2 | 7 | |
| 1 | 0 | 8 | ||
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 28+35
Solution:
28+35 = 63
Column vertical calculation:
| 2 | 8 | |||
| ➕ | 31 | 5 | ||
| 6 | 3 | |||
[7/7 Integer column vertical calculation]
Question type: Integer subtraction
Original question: 66-7
Solution:
66-7 = 59
Column vertical calculation:
| 1 | ||||
| 6 | 6 | |||
| ➖ | 7 | |||
| 5 | 9 | |||
>>注：本次最多计算 7 道题。