妈妈的体重是55.3千克,明明的体重是34.5千克,妈妈比明明重多少千克?6i*M.x/[)b/U1i8Y0d
算式:提示:m;a0N;o8O8z0k6m6i*M.x/[)b/U1i8Y0d
答:妈妈比明明重1c'I7q/H;C.e6x3w,|,b;M千克。6i*M.x/[)b/U1i8Y0d