21°27''34''×3 109°11'4''÷765°53''26''+37°14'53''106°27''30''-98°25'42''23°25'24''×7102°48'21''÷3已知∠A=143°26'29'',∠B=96°41'24'' (1)求∠A+2∠B (2)∠A-1/2∠B153°19'42''+26°40'28''90°3''-57°21'44''33°15'16''×5175°16'30''

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21°27''34''×3 109°11'4''÷765°53''26''+37°14'53''106°27''30''-98°25'42''23°25'24''×7102°48'21''÷3已知∠A=143°26'29'',∠B=96°41'24'' (1)求∠A+2∠B (2)∠A-1/2∠B153°19'42''+26°40'28''90°3''-57°21'44''33°15'16''×5175°16'30''
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21°27''34''×3 109°11'4''÷765°53''26''+37°14'53''106°27''30''-98°25'42''23°25'24''×7102°48'21''÷3已知∠A=143°26'29'',∠B=96°41'24'' (1)求∠A+2∠B (2)∠A-1/2∠B153°19'42''+26°40'28''90°3''-57°21'44''33°15'16''×5175°16'30''
21°27''34''×3 109°11'4''÷7
65°53''26''+37°14'53''
106°27''30''-98°25'42''
23°25'24''×7
102°48'21''÷3
已知∠A=143°26'29'',∠B=96°41'24'' (1)求∠A+2∠B (2)∠A-1/2∠B
153°19'42''+26°40'28''
90°3''-57°21'44''
33°15'16''×5
175°16'30''-47°30'÷6

21°27''34''×3 109°11'4''÷765°53''26''+37°14'53''106°27''30''-98°25'42''23°25'24''×7102°48'21''÷3已知∠A=143°26'29'',∠B=96°41'24'' (1)求∠A+2∠B (2)∠A-1/2∠B153°19'42''+26°40'28''90°3''-57°21'44''33°15'16''×5175°16'30''
21°27''34''×3
=63°81''102''
=63°82''42''
=64°22''42''
109°11'4''÷7
≈15°27'18''
65°53''26''+37°14'53''
=(65+37)°+(53+14)'+(26+53)''
=(65+37)°+(53+14)'+1'+19''
=(65+37)°+1°+8'+19''
=103°8'19''
106°27''30''-98°25'42''
=(106-98)°+(27-25)'+(30-42)''
=8°+2'-12''
=8°+1'+48''
=8°1'48''
23°25'24''×7
=161°+175'+168''
=161°+175'+2'+48''
=161°+2°+57'+48''
=163°57'48''
102°48'21''÷3
=34°16'7''
已知∠A=143°26'29'',∠B=96°41'24''
(1)求∠A+2∠B
∠A+2∠B
=143°26'29''+96°41'24''×2
=143°26'29''+192°82'48''
=(143+192)°+(26+82)'+(29+48)''
=335°108'77''
=335°109'17''
=336°49'17''
(2)∠A-1/2∠B
∠A-1/2∠B
=143°26'29''-96°41'24''÷2
=143°26'29''-48°20'42''
=(143-48)°+(26-20)'+(29-42)''
=95°+6'-13''
=95°5'47''
153°19'42''+26°40'28''
=(153+26)°+(19+40)'+(42+28)''
=179°+59'+70''
=179°+60'+10''
=180°10''
90°3''-57°21'44''
=(90-57)°+(0-21)'+(3-44)''
=33°-39'-41''
=33°-40'+19''
=32°+20'+19''
=32°20'19''
33°15'16''×5
=165°45'80''
=165°46'20''
175°16'30''-47°30'÷6
=175°16'30''-7°55'
=(175-7)°+(16-55)'+30''
=168°-39'+30''
=167°+21'+30''
=167°21'30''

65°53''26''+37°14'53''=8°5′48″
102°48'21''÷3=34°16′7″

65°53''26''+37°14'53''=102°67'79''=103°8'19''

21°27''34''×3 109°11'4''÷765°53''26''+37°14'53''106°27''30''-98°25'42''23°25'24''×7102°48'21''÷3已知∠A=143°26'29'',∠B=96°41'24'' (1)求∠A+2∠B (2)∠A-1/2∠B153°19'42''+26°40'28''90°3''-57°21'44''33°15'16''×5175°16'30'' 21°27′34〃×3等于多少? 18°21′÷3+(34°13′18〃-18°15′27〃)= 77°24′+34°40′=?;108°18′-56°21′=?;15°36′18″×2=?;109°23′18″÷3=? 34°34'+21°51'=?21°3'-19°58'=?32°16'x5. 18°21′÷3+【34°13′18″-18°15′27″】=?急 别说废话 5分钟内答出 求109°11'4''÷7 角的运算 除法怎么算啊~①102°40′21″÷3 ②109°11′4″÷7 ③175°16′30″-47°30′÷6 计算38°48分45〃+77°11′38〃计算(1)38°48分45〃+77°11′38〃(2)80°-68°19′40〃(3)30°21′45〃*4 (4)109°11′4〃5除7 38°27'+54°34' 问一下102°43′21″÷3=34º14′27″ 计算(1)58°39′+67°33′-21°17′*5(2)109°11′4″/7 (3)180°-(34°54’+21°33’)= 问一个有关 google earth 这个是什么?给个坐标-27° 11' 9.24,-109° 26' 6.57没有 google earth 的可以去 google地图 去看看 度、分、秒的计算.各位仁兄,谢谢了!35°44′×5=_____44°37′÷3=_____23°30′=______13.6°=____°_____′52°32′-34°37′=______38°43′+27°36′=_______48°39′+67°31′-21°17′×5=______ 初一数学度分秒几道题一定要写出过程呀30°34′+21°41′=180°-53°31′=90°÷7(精确到1)26°17′45〃×3-42°21′11〃= 109°11′14〃/7= 109°11′14〃/7=