void setup() {
Serial.begin(9600);
Serial.println();
Serial.print("50000=");
Serial.println(50000);
Serial.print("30000+20000=");
Serial.println(30000+20000);
Serial.print("30000U+20000=");
Serial.println(30000U+20000);
Serial.print("30000L+20000=");
Serial.println(30000L+20000);
Serial.print("70000=");
Serial.println(70000);
Serial.print("30000+20000+20000=");
Serial.println(30000+20000+20000);
Serial.print("30000U+20000+20000=");
Serial.println(30000U+20000);
Serial.print("30000L+20000+20000=");
Serial.println(30000L+20000+20000);
}
void loop() {
}
Replies to int定数、unsigned int定数、long定数 
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