一道sat2数学题the plane whose equation is 6x+5y+10z=30 forms a pyramid in the first octant with the coordinate planes.its volume is A 15 B.21 C 30 D.36 E.45主要是octant 看不懂
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一道sat2数学题the plane whose equation is 6x+5y+10z=30 forms a pyramid in the first octant with the coordinate planes.its volume is A 15 B.21 C 30 D.36 E.45主要是octant 看不懂
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