解不等式:[br][/br][tex=6.929x1.357]XKZ+3azOvr8HgrNAyyrSrw==[/tex]

2022-06-11

解不等式:[br][/br][tex=6.929x1.357]XKZ+3azOvr8HgrNAyyrSrw==[/tex]

答案：

解      由  [tex=5.571x2.357]AO+t3xBLfZdopaBuI+jDtVKQ34L47qOskOQvtIgr95w4ysMRM2xXa5Jdeg3SeOSV[/tex]  得 [tex=6.357x2.357]SrevlAJT5xgSK6sRahlUobhnUBqfkuEwjezibpZOzqk=[/tex] 或 [tex=6.357x2.357]HfhabmzHWPqDP4GdnQNtAozvGjQrgleoTncX0wGQYGE=[/tex], 解之得[br][/br][tex=14.929x4.786]9PdFkyNZN0jrsDSPEdYME33mj+IQAn7kEV1kdGTOF5CxZA0ABjZGJ96L3gDEgUhD+56JTFLbuhCH4fmxBQaNnm9LTzZwE1ATo1C20UZwIkqXFlQ9Gqf8KXI5npJCjoTLFBWcIhXZAECTYWRtPqhLGthrWRLWBGMGTkbFx/VPuVDs8zJNituMKbGJQuGRpnuuewHL2K9qcIUYi86BXZFnng==[/tex]即[br][/br]即   [tex=11.071x2.643]GvH3qFg6eXaDopnvwffyKWz+Ws+akL7S9XVUc0V/cbeYxlHY0lZb7UMkIS5YA7kTtK/Jg9yH4wKWVdOCLRsoPQ==[/tex] 或   [tex=11.5x2.643]Ve1CeTre29qkIdE8OHxbQbw4026lvirotZoWBIe+YCbQcqWF/YlSM49pJzxAMVgzKv2wEtF0RJOmtyQMT3lmow==[/tex]

举一反三

内容

0
X, Y, Z 为 3 个随机变量, 证明以下不等式成立并指出等号成立的条件。[br][/br][tex=9.857x1.357]NUQqMUcZfsYXZe7a52OqVASX+mUkVagLNw3xFgiaXiIiYkJHYirg7FRWhFIaD68w[/tex][br][/br]
1
证明不等式:[br][/br][tex=4.071x1.143]XRKZcGRw+rd8OXRRm6TrpQ==[/tex], 其中 [tex=0.571x0.786]HXNXn3AXpwdIpZt8+6oCEw==[/tex] 为异于零的实数.[br][/br]
2
下面逻辑式中, 正确的是未知类型：{'options': ['[tex=6.929x1.357]+cjwocRXYTlqiBncLdfjnrsm0QIXcehO93vMgHAe+5w=[/tex]', '\xa0[tex=6.643x1.357]K8SKh4JEYC11EfxZchxHhvlZ4NqU5nNZVSJcZPRnywY=[/tex][br][/br]', '[tex=7.429x1.357]yiXr12UUYnoEV8zMM76GjGujRF6Fo/TZXXiWGT6fMQs=[/tex]', '\xa0[tex=11.0x1.357]wtOpISB4CF9+PXFsrPKqLRZX1E9r0KfgHACBx98hci0=[/tex][br][/br]'], 'type': 102}
3
证明: 当[tex=5.857x1.143]LOKLBaMK73PFxtYp1EppUfOZocvX7CKR9JqW3QQ6gWo=[/tex]时[tex=4.286x1.0]jV1k0vrDI6R9oveoJ+WTOQ==[/tex]不等式[tex=6.929x1.357]4svJYRMpkiPX2xjjCFtILPMqUrABTHBypFPj4QnA9TY=[/tex]仍然成立;
4
M2b 型急性髓细胞白细胞的细胞遗传特征是未知类型：{'options': ['[tex=7.214x1.357]rAcApP4rcL54F4l/xPqwccs/2Jq6id4QdmmWI44Ly5U=[/tex]', '[tex=7.214x1.357]lqsN4c5kosqCZsCQlKdsPNmIs5JUf6TXjpiTQK7vyrU=[/tex][br][/br]', '\xa0[tex=6.929x1.357]uDkjgrQOs14shlcl4mObJ8yVwq5rXG0TJ/MT921HR3YDYFfJViJo4m2E00H7VMV1[/tex][br][/br]', '\xa0[tex=7.714x1.357]ky6pK1zfa527XvzuErdDbPJS65tpl3U1UF8LDtH1KYI=[/tex][br][/br]', 'inv/del (16) (q22)[br][/br]'], 'type': 102}