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Write a program that let the user input two number and displays the result as the example below:

輸入兩個數字,做加減乘除的運算

Example input 1:

5 6

Example output 1:

5+6=11
5-6=-1
5*6=30
5/6=0.833333

Example input 2:

1.23 3.45

Example output 2:

1.23+3.45=4.68
1.23-3.45=-2.22
1.23*3.45=4.2435
1.23/3.45=0.356522

Remember: Your output maybe 100% correct, but your code matters!

[Exercise] Coding (C) - asked in Chapter 3: Formatted Input/Output by (12.1k points)
ID: 25729 - Available when: Unlimited - Due to: Unlimited

edited by | 17.7k views

116 Answers

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answered by (54 points)
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what if the result of a/b is an integer?
for example 10/2 = 5
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answered by (-258 points)
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prog.c: In function 'main':
prog.c:7:11: error: unused variable 'c' [-Werror=unused-variable]
     float c;
           ^
cc1: all warnings being treated as errors
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prog.c: In function 'main':
prog.c:7:11: error: unused variable 'c' [-Werror=unused-variable]
     float c;
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cc1: all warnings being treated as errors
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answered by (-498 points)
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what if the result of a/b is an integer?
for example 4/2 = 2
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