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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 1.72+5.7 .
Question type: Mathematical calculation
Solution:
1.72+5.7
=7.42
Answer:1.72+5.7=7.42
[2/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 49+6
Solution:
49+6 = 55
Column vertical calculation:
[3/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 84+21
Solution:
84+21 = 105
Column vertical calculation:
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 19+43
Solution:
19+43 = 62
Column vertical calculation:
[5/7 Formula]
Work: Calculate the value of equation 3.9+24 .
Question type: Mathematical calculation
Solution:
3.9+24
=27.9
Answer:3.9+24=27.9
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 26+77
Solution:
26+77 = 103
Column vertical calculation:
[7/7 Formula]
Work: Calculate the value of equation 65.9-22.4 .
Question type: Mathematical calculation
Solution:
65.9-22.4
=43.5
Answer:65.9-22.4=43.5
>>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 1.72+5.7 .
Question type: Mathematical calculation
Solution:
1.72+5.7
=7.42
Answer:1.72+5.7=7.42
[2/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 49+6
Solution:
49+6 = 55
Column vertical calculation:
| 4 | 9 | |||
| ➕ | 1 | 6 | ||
| 5 | 5 | |||
[3/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 84+21
Solution:
84+21 = 105
Column vertical calculation:
| 8 | 4 | |||
| ➕ | 1 | 2 | 1 | |
| 1 | 0 | 5 | ||
[4/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 19+43
Solution:
19+43 = 62
Column vertical calculation:
| 1 | 9 | |||
| ➕ | 41 | 3 | ||
| 6 | 2 | |||
[5/7 Formula]
Work: Calculate the value of equation 3.9+24 .
Question type: Mathematical calculation
Solution:
3.9+24
=27.9
Answer:3.9+24=27.9
[6/7 Integer column vertical calculation]
Question type: Integer addition
Original question: 26+77
Solution:
26+77 = 103
Column vertical calculation:
| 2 | 6 | |||
| ➕ | 1 | 71 | 7 | |
| 1 | 0 | 3 | ||
[7/7 Formula]
Work: Calculate the value of equation 65.9-22.4 .
Question type: Mathematical calculation
Solution:
65.9-22.4
=43.5
Answer:65.9-22.4=43.5
>>注：本次最多计算 7 道题。