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// 求1-100之间的所有数的平均值
var sum = 0;
var average = 0;
for (var i = 1; i <= 100; i++) {
sum += i;
}
average = sum / 100;
console.log(average);
// 求1-100所有偶数和奇数的和
var even = 0;
var odd = 0;
for (var i = 1; i <= 100; i++) {
if (i % 2 == 0) {
even = even + i;
} else {
odd = odd + i;
}
}
console.log('偶数和是' + even);
console.log('奇数和是' + odd);
// 求1-100之间所有能被3整除的数字的和
var result = 0
for (var i = 1; i <= 100; i++) {
if (i % 3 == 0) {
result = result + i;
}
}
console.log('被3整除的数是' + result);
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