1个西瓜重8千克:[-E;C4r'V3v9q
1棵白菜重4千克:[-E;C4r'V3v9q
(1)4棵白菜比1个西瓜重多少千克?:[-E;C4r'V3v9q
算式:提示7P4t0V.J4m+C+W*M,W:[-E;C4r'V3v9q
答:4棵白菜比1个西瓜重)x1['^*i9P'r;n'k5p,l5]'q千克。:[-E;C4r'V3v9q
(2)2个西瓜比3棵白菜重多少千克?:[-E;C4r'V3v9q
算式:提示;b2v+G3?*[1D'?5B+F;O3s:C:[-E;C4r'V3v9q
答:2个西瓜比3棵白菜重8s'I+~(A8Y;P9e)f-Y1f千克。:[-E;C4r'V3v9q