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@makshark
Created May 10, 2016 03:16
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function calc(n1, op, n2, n3) {
switch (op) {
case '+':
return ((n1 + n2) === n3);
case '-':
return ((n1 - n2) === n3);
case '*':
return ((n1 * n2) === n3);
case '/':
if (n2 === 0) {
return false;
}
return ((n1 / n2) === n3);
default:
return 'Неправильный знак, можно использовать только *, /, +, - ';
}
}
console.log(calc(1, '+', 2, 3));
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