42.67+31.5/x=51.67
1个回答
X=3.5
相关问题
x=51,y=67;求x-y=___.
67+a-51=30
计算:48°39′+67°31′=______.
计算:48°39′+67°31′-21°17′×5=______.
计算:48°39′+67°31′-21°17′×5=______.
(1)67°18′+22°42′=
48°39′+67°31′怎么算?
7 11 19 27 39 51 67
6x+3乘2.5=67.5 6x+3乘2.5=67.5
计算:sin^67.5°-cos^67.5度