180-28再除以2等于几

180-58再除以2等于几

180-58再除以2等于几...180-58再除以2等于几

180-108再除以2等于几

180-108再除以2等于几...180-108再除以2等于几

180除以2再除以2等于几

180除以2再除以2等于几...180除以2再除以2等于几

180+237再除以2×380等于几

180+237再除以2×380等于几...180+237再除以2×380等于几

180-72再除以2等于几

180-72再除以2等于几...180-72再除以2等于几

180-36再除以2等于几

180-36再除以2等于几...180-36再除以2等于几

180-40再除以2等于几

180-40再除以2等于几...180-40再除以2等于几

180-60再除以2等于几

180-60再除以2等于几...180-60再除以2等于几

180-306再除以18等于几

180-306再除以18等于几...180-306再除以18等于几

180-90再除以2等于几

180-90再除以2等于几...180-90再除以2等于几