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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: 3 questions will be solved this time.Among them
☆2 arithmetic calculations
☆1 integer calculations
[1/3 Formula]
Work: Calculate the value of equation 2+24+246+2468 .
Question type: Mathematical calculation
Solution:
2+24+246+2468
=26+246+2468
=272+2468
=2740
Answer:2+24+246+2468=2740
[2/3 Formula]
Work: Calculate the value of equation 11×21+21×31+31×41+41×51 .
Question type: Mathematical calculation
Solution:
11×21+21×31+31×41+41×51
=231+21×31+31×41+41×51
=231+651+31×41+41×51
=231+651+1271+41×51
=231+651+1271+2091
=882+1271+2091
=2153+2091
=4244
Answer:11×21+21×31+31×41+41×51=4244
[3/3 Integer column vertical calculation]
Question type: Integer division
Original question: 777÷13
Solution:
777÷13 = 59 ··· ··· 10
Column vertical calculation:
| 5 | 9 | ||||||
| 1 | 3 | 丿 | 7 | 7 | 7 | ||
| 6 | 5 | ||||||
| 1 | 2 | 7 | |||||
| 1 | 1 | 7 | |||||
| 1 | 0 | ||||||