Equations
Unfold
Math OP
Fold
Linear algebra
Unfold
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: 4 questions will be solved this time.Among them
☆1 arithmetic calculations
☆3 integer calculations
[1/4 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 55555*33333
Solution:
55555*33333 = 1851814815
Column vertical calculation:
| 5 | 5 | 5 | 5 | 5 | ||||||||||
| ✖ | 3 | 3 | 3 | 3 | 3 | |||||||||
| 1 | 6 | 6 | 6 | 6 | 5 | |||||||||
| 1 | 6 | 6 | 6 | 6 | 5 | |||||||||
| 1 | 6 | 6 | 6 | 6 | 5 | |||||||||
| 1 | 6 | 6 | 6 | 6 | 5 | |||||||||
| 1 | 6 | 6 | 6 | 6 | 5 | |||||||||
| 1 | 8 | 5 | 1 | 8 | 1 | 4 | 8 | 1 | 5 | |||||
[2/4 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 88888*33333
Solution:
88888*33333 = 2962903704
Column vertical calculation:
| 8 | 8 | 8 | 8 | 8 | ||||||||||
| ✖ | 3 | 3 | 3 | 3 | 3 | |||||||||
| 2 | 6 | 6 | 6 | 6 | 4 | |||||||||
| 2 | 6 | 6 | 6 | 6 | 4 | |||||||||
| 2 | 6 | 6 | 6 | 6 | 4 | |||||||||
| 2 | 6 | 6 | 6 | 6 | 4 | |||||||||
| 2 | 6 | 6 | 6 | 6 | 4 | |||||||||
| 2 | 9 | 6 | 2 | 9 | 0 | 3 | 7 | 0 | 4 | |||||
[3/4 Integer column vertical calculation]
Question type: Integer multiplication
Original question: 66666*66667
Solution:
66666*66667 = 4444422222
Column vertical calculation:
| 6 | 6 | 6 | 6 | 6 | ||||||||||
| ✖ | 6 | 6 | 6 | 6 | 7 | |||||||||
| 4 | 6 | 6 | 6 | 6 | 2 | |||||||||
| 3 | 9 | 9 | 9 | 9 | 6 | |||||||||
| 3 | 9 | 9 | 9 | 9 | 6 | |||||||||
| 3 | 9 | 9 | 9 | 9 | 6 | |||||||||
| 3 | 9 | 9 | 9 | 9 | 6 | |||||||||
| 4 | 4 | 4 | 4 | 4 | 2 | 2 | 2 | 2 | 2 | |||||
[4/4 Formula]
Work: Calculate the value of equation 22222*44444+44444*55555+44444*44444/2 .
Question type: Mathematical calculation
Solution:
22222*44444+44444*55555+44444*44444/2
=987634568+44444*55555+44444*44444/2
=987634568+2469086420+44444*44444/2
=987634568+2469086420+1975269136/2
=987634568+2469086420+987634568
=3456720988+987634568
=4444355556
Answer:22222*44444+44444*55555+44444*44444/2=4444355556