连线。;f+@/}7J0y5N*k,y
①4×5 A五九四十五;f+@/}7J0y5N*k,y
②5×9 B五七三十五;f+@/}7J0y5N*k,y
③6×5 C四五二十;f+@/}7J0y5N*k,y
④7×5 D五六三十;f+@/}7J0y5N*k,y
①——+{3z8y0w;D3v0L;②——2N)u9H)e4d9r-P4o;③——4l.?'V:P5{.k0R;④——0W5t*j/l(C(w;|:v.m;f+@/}7J0y5N*k,y