<img src=https://huaweicloudobs.ahjxjy.cn/8433ED81C72EBD06CDBBDD8C2A3D2FE9.png title=8.png alt=8.png/>下列计算结果正确的是
①
<img src=https://huaweicloudobs.ahjxjy.cn/0BD894768EBAB521178AAF0A7A3FFD5C.png title=9.png alt=9.png/><img src=https://huaweicloudobs.ahjxjy.cn/2038F1CE8C26BA691EB92E3CE0230F4C.png title=10.png alt=10.png/>
②
<img src=https://huaweicloudobs.ahjxjy.cn/0BD894768EBAB521178AAF0A7A3FFD5C.png title=9.png alt=9.png/><img src=https://huaweicloudobs.ahjxjy.cn/19DA7CB28D827D45146AF4D2541E5604.png title=12.png alt=12.png/>
③
<img src=https://huaweicloudobs.ahjxjy.cn/7C9975353AE421ED59B87CF5C15D7F24.png title=11.png alt=11.png/><img src=https://huaweicloudobs.ahjxjy.cn/2038F1CE8C26BA691EB92E3CE0230F4C.png title=10.png alt=10.png/>
④
<img src=https://huaweicloudobs.ahjxjy.cn/7C9975353AE421ED59B87CF5C15D7F24.png title=11.png alt=11.png/><img src=https://huaweicloudobs.ahjxjy.cn/19DA7CB28D827D45146AF4D2541E5604.png title=12.png alt=12.png/>