1块橡皮8角钱，3块橡皮要多少元钱？3i1p,_+Y0[-P-k6y
算式：提示2V)y7g5W3p7t24角=2元4角3i1p,_+Y0[-P-k6y
答；3块橡皮要9I(Q8f1B1A+Q元9R0x,s/E'l(U4i角钱。3i1p,_+Y0[-P-k6y