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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
☆7 arithmetic calculations
[1/7 Formula]
Work: Calculate the value of equation 72-21-20 .
Question type: Mathematical calculation
Solution:
72-21-20
=51-20
=31
Answer:72-21-20=31
[2/7 Formula]
Work: Calculate the value of equation 96-24-18 .
Question type: Mathematical calculation
Solution:
96-24-18
=72-18
=54
Answer:96-24-18=54
[3/7 Formula]
Work: Calculate the value of equation 91-24-15 .
Question type: Mathematical calculation
Solution:
91-24-15
=67-15
=52
Answer:91-24-15=52
[4/7 Formula]
Work: Calculate the value of equation 92-22-8 .
Question type: Mathematical calculation
Solution:
92-22-8
=70-8
=62
Answer:92-22-8=62
[5/7 Formula]
Work: Calculate the value of equation 97-10-15 .
Question type: Mathematical calculation
Solution:
97-10-15
=87-15
=72
Answer:97-10-15=72
[6/7 Formula]
Work: Calculate the value of equation 90-50-23 .
Question type: Mathematical calculation
Solution:
90-50-23
=40-23
=17
Answer:90-50-23=17
[7/7 Formula]
Work: Calculate the value of equation 83-31-24 .
Question type: Mathematical calculation
Solution:
83-31-24
=52-24
=28
Answer:83-31-24=28
>>注：本次最多计算 7 道题。