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(1)13°29'+78°37"-22°5'42"(2)23°53'×3+107°45'÷5
题目详情
(1)13°29'+78°37"-22°5'42"
(2)23°53'×3+107°45'÷5
(2)23°53'×3+107°45'÷5
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答案和解析
(1)13°29'+78°37"-22°5'42"
=69°24'-5"
=69°23'55"
(2)23°53'×3+107°45'÷5
=69°159'+21.4°9'
=71°39'+21°33'
=92°72'
=93°12'
=69°24'-5"
=69°23'55"
(2)23°53'×3+107°45'÷5
=69°159'+21.4°9'
=71°39'+21°33'
=92°72'
=93°12'
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