急求答案,给好评啊,,
\u6c42\u7b54\u6848\uff0c\u7ed9\u597d\u8bc4\u5982\u72fc\u4f3c\u864e
--------------------
\u767e\u5ea6\u77e5\u9053\u7b54\u9898\u4e0d\u6613\uff0c
\u56de\u7b54\u6ee1\u610f\uff0c
\u8bf7\u53ca\u65f6\u91c7\u7eb3\u6216\u7ed9\u4e88\u597d\u8bc4\uff0c
\u5982\u6709\u5176\u4ed6\u7591\u95ee\uff0c
\u53ef\u4ee5\u7ee7\u7eed\u8ffd\u95ee\uff0c
\u8c22\u8c22\u5408\u4f5c
\u59f9\u7d2b\u5ae3\u7ea2
---------A,D绛旓細鏁欏妤奸暱84脳0.5=42 姝ヨ閫熷害姣忕42梅35=1.2
绛旓細锛1锛夌瓑杈 锛2锛夊洜涓篋FE FMN 閮芥槸绛夎竟涓夎褰 鎵浠F=EF FM= FN 瑙扗FE=瑙扢FN 鎵浠 瑙扗FM = 瑙 EFN 鎵浠 鈻矰FM 鍏ㄧ瓑浜 鈻矱FN 鎵浠M= EN 锛3锛夊洜涓篋FE FMN 閮芥槸绛夎竟涓夎褰 鎵浠F=EF FM= FN 瑙扗FE =瑙扢FN 鎵浠 瑙扗FM = 瑙 EFN 鎵浠 鈻矰FM 鍏ㄧ瓑浜 鈻矱FN ...
绛旓細1銆5s锛25m;涓嶅彉銆 2銆佺被骞虫姏锛涘寑閫;姘村钩浣嶇Щ绛変簬B鐞冦3銆丄B
绛旓細浣犲ソ锛岃繖鍚嶈瘲鐨勬剰鎬濇槸璇达紝闀垮畨澶ц涓婄┖涓濋洦绾风悍锛屽畠鍍忛叆娌逛竴鑸粏瀵嗚屾粙娑︼紝杩滄湜鑽夎壊渚濈█杩炴垚涓鐗囷紝杩戠湅鏃跺嵈鏄惧緱绋鐤忛浂鏄熴
绛旓細0.75+1.5锛2.25
绛旓細璇锋斁蹇冧娇鐢紝鏈夐棶棰樼殑璇濊杩介棶 婊℃剰璇峰強鏃堕噰绾筹紝璋㈣阿锛岄噰绾冲悗浣犲皢鑾峰緱5璐㈠瘜鍊笺備綘鐨勯噰绾冲皢鏄垜缁х画鍔姏甯姪浠栦汉鐨勬渶寮哄姩鍔涳紒
绛旓細鐢ㄥ櫔澹板彂鐢
绛旓細缁欎釜濂借瘎鍟
绛旓細c,c
绛旓細D銆丆