77°24′+34°40′=?;108°18′-56°21′=?;15°36′18″×2=?;109°23′18″÷3=
来源:学生作业帮 编辑:作业帮 分类:数学作业 时间:2024/05/03 05:56:35
77°24′+34°40′=?;108°18′-56°21′=?;15°36′18″×2=?;109°23′18″÷3=?
77°24′+34°40′=112°04‘
108°18′-56°21′=51°57
15°36′18″×2=31°2’36”
109°23′18″÷3=36°27‘46“
再问: 过程~~
再答: 77°24′+34°40′ =77°+34°+24‘+40’ =111°+64‘ =11°+1°4’ =112°4‘ 108°18′-56°21′ =107°+1°18‘-56°-21’ =51°+78‘-21’ =51°+57‘ =51°57’ 15°36′18″×2 =15°×2+36‘×2+18“×2 =30°+72’+36” =30°+1°12‘+36“ =31°2’36” 109°23′18″÷3 =108°÷3+1°23’18”÷3 =36°+81‘÷3+138”÷3 =36°+27‘+46“ =36°27‘46“
108°18′-56°21′=51°57
15°36′18″×2=31°2’36”
109°23′18″÷3=36°27‘46“
再问: 过程~~
再答: 77°24′+34°40′ =77°+34°+24‘+40’ =111°+64‘ =11°+1°4’ =112°4‘ 108°18′-56°21′ =107°+1°18‘-56°-21’ =51°+78‘-21’ =51°+57‘ =51°57’ 15°36′18″×2 =15°×2+36‘×2+18“×2 =30°+72’+36” =30°+1°12‘+36“ =31°2’36” 109°23′18″÷3 =108°÷3+1°23’18”÷3 =36°+81‘÷3+138”÷3 =36°+27‘+46“ =36°27‘46“
77°24′+34°40′=?;108°18′-56°21′=?;15°36′18″×2=?;109°23′18″÷3=
59°17′-18°28′23°15′40″×333.28°(话成度分秒)33°52′+21°51′=?
77° 42′+34° 45′= 108° 18′—56°23′= 73° 22′48″ =°
96°34′12″=( );32°18′36″=( )
33′=?° 18″=?′ 900′=?° 0.555°=?″
77°34′-34°45′= —————— 180°-(34°18′+24°43′) = ———— 5°17′23″x6
1计算103.3°+76°42′=?108°18′-56.5°=?98°45′36″+71°22′34″=?37°49′
66°25′36″+20°18′40″=______________;180°-15°10′30″=__________
2.28°= ° ′ ″ 39°24′36″= ° 43°18 ′54 ″ +27°29 ′25″= ° ′ ″
98°30′18″=?
75°24′36″=()° 16°59′15″=()°
数学、角的计算98°18′-56.5°=?36°15′37″×3=?27°47′×3+108°30′÷6