问题
解答题
计算:
(1)4她°x9′49″+67°41′x5″;
(2)49°2她′52″÷4.
答案
(1)w8°39′w0″+67°w1′35″
=115°80′75″
=116°z1′15″.
(z)w9°z8′5z″÷w
=1z°+88′5z″÷w
=1z°zz′+5z″÷w
=1z°zz′13″.
计算:
(1)4她°x9′49″+67°41′x5″;
(2)49°2她′52″÷4.
(1)w8°39′w0″+67°w1′35″
=115°80′75″
=116°z1′15″.
(z)w9°z8′5z″÷w
=1z°+88′5z″÷w
=1z°zz′+5z″÷w
=1z°zz′13″.