什么是实数根,实数根是什么意思

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更新时间:2025-07-14
频道:发现

大家好啊,我是妙梦爱学“妙梦爱学”,今天给大家带来一个有趣的话题——实数根。不知道大家有没有听说过这个概念呢?如果没有,那就让我来给大家科普一下吧!

实数根是指一个数的平方、立方或更高次方等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等等你的回答哦!";

}

retn _label;

- (UIButton *)leftButton{

if (!_leftButton) {

_leftButton = [UIButton buttonWithType:UIButtonTypeCustom];

[_leftButton setImage:[UIImage imageNamed:@"n_back_white"] forState:UIControlStateNormal];

[_leftButton addTarget:self action:@selector(backButtonClick:) forControlEvents:UIControlEventTouchUpInside];

}

retn _leftButton;

- (UIButton *)rightButton{

if (!_rightButton) {

_rightButton = [UIButton buttonWithType:UIButtonTypeCustom];

[_rightButton setImage:[UIImage imageNamed:@"n_more"] forState:UIControlStateNormal];

[_rightButton addTarget:self action:@selector(rightButtonClick:) forControlEvents:UIControlEventTouchUpInside];

}

retn _rightButton;

- (UIView *)searchView{

if (!_searchView) {

_searchView = [[UIView alloc] init];

_searchView.backgroundColor = [UIColor whiteColor];

_searchView.layer.cornerRadius = 5;

_searchView.clipsToBounds = YES;

_searchView.userInteractionEnabled = YES;

UITapGesteRecognizer *tap = [[UITapGesteRecognizer alloc] initWithTarget:self action:@selector(searchClick)];

[_searchView addGesteRecognizer:tap];

}

retn _searchView;

- (UIImageView *)searchImageView{

if (!_searchImageView) {

_searchImageView = [[UIImageView alloc] init];

_searchImageView.image = [UIImage imageNamed:@"search_icon"];

}

retn _searchImageView;

- (UILabel *)searchLabel{

if (!_searchLabel) {

_searchLabel = [[UILabel alloc] init];

_searchLabel.text = @"搜索";

_searchLabel.textColor = [UIColor grayColor];

_searchLabel.font = [UIFont systemFontOfSize:14];

}

retn _searchLabel;

- (UIButton *)scanButton{

if (!_scanButton) {

_scanButton = [UIButton buttonWithType:UIButtonTypeCustom];

[_scanButton setImage:[UIImage imageNamed:@"scan"] forState:UIControlStateNormal];

[_scanButton addTarget:self action:@selector(scanButtonClick) forControlEvents:UIControlEventTouchUpInside];

}

retn _scanButton;

- (UIButton *)searchButton{

if (!_searchButton) {

_searchButton = [UIButton buttonWithType:UIButtonTypeCustom];

[_searchButton setImage:[UIImage imageNamed:@"search"] forState:UIControlStateNormal];

[_searchButton addTarget:self action:@selector(searchButtonClick) forControlEvents:UIControlEventTouchUpInside];

}

retn _searchButton;

- (UIImageView *)searchImageView2{

if (!_searchImageView2) {

_searchImageView2 = [[UIImageView alloc] init];

_searchImageView2.image = [UIImage imageNamed:@"search_icon"];

}

retn _searchImageView2;

- (UILabel *)searchLabel2{

if (!_searchLabel2) {

_searchLabel2 = [[UILabel alloc] init];

_searchLabel2.text = @"搜索";

_searchLabel2.textColor = [UIColor grayColor];

_searchLabel2.font = [UIFont systemFontOfSize:14];

}

retn _searchLabel2;

- (UIButton *)scanButton2{

if (!_scanButton2) {

_scanButton2 = [UIButton buttonWithType:UIButtonTypeCustom];

[_scanButton2 setImage:[UIImage imageNamed:@"scan"] forState:UIControlStateNormal];

[_scanButton2 addTarget:self action:@selector(scanButtonClick) forControlEvents:UIControlEventTouchUpInside];

}

retn _scanButton2;

- (UIButton *)searchButton3{

if (!_searchButton3) {

_searchButton3 = [UIButton buttonWithType:UIButtonTypeCustom];

[_searchButton3 setImage:[UIImage imageNamed:@"search"] forState:UIControlStateNormal];

[_searchButton3 addTarget:self action:@selector(searchButtonClick) forControlEvents:UIControlEventTouchUpInside];

}

retn _searchButton3;

- (UIButton *)searchButton4{

if (!_searchButton4) {

_searchButton4 = [UIButton buttonWithType:UIButtonTypeCustom];

[_searchButton4 setImage:[UIImage imageNamed:@"search"] forState:UIControlStateNormal];

[_searchButton4 addTarget:self action:@selector(searchButtonClick) forControlEvents:UIControlEventTouchUpInside];

}

retn _searchButton4;

- (UIButton *)searchButton5{

if (!_searchButton5) {

_searchButton5 = [UIButton buttonWithType:UIButtonTypeCustom];

[_searchButton5 setImage:[UIImage imageNamed:@"search"] forState:UIControlStateNormal];

[_searchButton5 addTarget:self action:@selector(searchButtonClick) forControlEvents:UIControlEventTouchUpInside];

}

retn _searchButton5;

- (UILabel *)searchLabel3{

if (!_searchLabel3) {

_searchLabel3 = [[UILabel alloc] init];

_searchLabel3.text = @"搜索";

_searchLabel3.textColor = [UIColor grayColor];

_searchLabel3.font = [UIFont systemFontOfSize:14];

}

retn _searchLabel3;

- (UILabel *)searchLabel4{

if (!_searchLabel4) {

_searchLabel4 = [[UILabel alloc] init];

_searchLabel4.text = @"搜索";

_searchLabel4.textColor = [UIColor grayColor];

_searchLabel4.font = [UIFont systemFontOfSize:14];

}

retn _searchLabel4;

- (UILabel *)searchLabel5{

if (!_searchLabel5) {

_searchLabel5 = [[UILabel alloc] init];

_searchLabel5.text = @"搜索";

_searchLabel5.textColor = [UIColor grayColor];

_searchLabel5.font = [UIFont systemFontOfSize:14];

}

retn _searchLabel5;

- (UIButton *)scanButton3{

本文由用户水桥嘉荣发表,内容仅供参考,版权归原作者所有。
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