1件上衣要钉6个扣子,1盒里有42个口子,1盒扣子可以钉几件上衣?+I6Z1C'F5r/L*w4|6P7g+r.i6l+?8X0x
算式:提示0E3K5s0P4R(]0x0I,O4I;w-w9u+I6Z1C'F5r/L*w4|6P7g+r.i6l+?8X0x
答:1盒扣子可以钉0O3K:d:`+O:]9I3A/_(@6R1^件上衣。+I6Z1C'F5r/L*w4|6P7g+r.i6l+?8X0x