21道度分秒计算题 21道先化简在计算题 21道混合运算体 要有过程和答案
\u6c4210\u9053\u5ea6\u5206\u79d2\u7684\u8ba1\u7b97\u9898\uff0c\u9700\u8fc7\u7a0b\uff081\uff09 50\u00b058\u2032-30\u203230\u2033
=50\u00b057\u203260\u2033-30\u203230\u2033
50\u00b027\u203230\u2033
\uff082\uff0912.8\u00b0-6\u00b06\u20326\u2033
=12\u00b048\u2032-6\u00b06\u20326\u2033
=6\u00b041\u203254\u2033
\uff083\uff0989\u00b0-58\u20329\u2033
=88\u00b059\u203260\u2033-58\u20329\u2033
=88\u00b01\u203251\u2033
\uff084\uff09\uff08180\u00b0-91\u00b032'24''\uff09\u00f72
=\uff08179\u00b059\u203260\u2033-91\u00b032'24''\uff09\u00f72
=88\u00b027\u203236\u2033\u00f72
=44\u00b013\u203248\u2033
\uff085\uff09176\u00b052\u2032\u00f73
=176\u00b051\u203260\u2033\u00f73
=58\u00b057\u203220\u2033
\uff086\uff0922.5\u00b0+90\u00b01\u203239\u2033
=22\u00b030\u2032+90\u00b01\u203239\u2033
=112\u00b031\u203239\u2033
\uff087\uff0918\u00b044\u2032\u00d74
=18\u00b0\u00d74+44\u2032\u00d74
=72\u00b0176\u2032\u2018
=74\u00b056\u2032
\uff088\uff0957.18\u00b0=57\u00b010\u203248\u2033
\uff089\uff09119\u00b06\u2032=119.1\u00b0
\uff0810\uff09\uff0813.9\u00b0+5\u00b04\u20323\u2033\uff09\u00d72-\uff086\u00b05\u2032+2\u00b08\u203223\u2033\uff09
=18\u00b058\u20323\u2033\u00d72-8\u00b013\u203223\u2033
=29\u00b042\u203243\u2033
\u5ea6\u5206\u79d2\u662f\u516d\u5341\u8fdb\u4f4d\u7684\uff0c\u5206\u9664\u4ee560\u5c31\u6362\u7b97\u6210\u4e86\u5ea6\uff0c\u79d2\u9664\u4ee560\u5c31\u6362\u7b97\u6210\u4e86\u5206\uff0c\u79d2\u76f4\u63a5\u6362\u7b97\u6210\u5ea6\u9664\u4ee560*60\u5c31\u53ef\u4ee5\uff0c\u5c0f\u5355\u4f4d\u6362\u6210\u5927\u5355\u4f4d\u9664\u4ee560\uff0c\u5927\u5355\u4f4d\u6362\u6210\u5c0f\u5355\u4f4d\u4e58\u4ee560\u3002
\u5e0c\u671b\u5bf9\u4f60\u6709\u5e2e\u52a9\uff01
52\u00b045\u2032-32\u00b046\u2032=19\u00b059\u2032
79\u00b016\u203230\u3003-7\u00b025\u2032+12\u00b038\u203230\u3003=66\u00b038\u20320\u3003
2）70°42’45”+82°37’25”= 153°20'10”
3）120°-36°18’52”=83°41’8”
4）82.7°= 82°42’
5）20°18’= 20.3°
6）57°30’-27.5°=30°
7）48°19’+67°21’= 115°40’
8）27°40’+15.3°= 42°58’
9）100°15’-79°26’= 20°49’
10)80°24’/3=26°48’
11）180°-46′42〃＝179°60′-46′42〃＝179°59′60〃-46′42〃＝179°13′18〃
12）28°36′+72°06′＝100°42′
13）50°24′×3＝150°72′＝151°12′
14）56°2′3〃+44°=100°2′3〃
15）49°28′52〃÷4 ＝12.25°07′13〃 ＝12°（0.25×60+07）′13〃 ＝12°22′13〃
（求求，选我吧，谢谢！）
1+1=2
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