有3名老师带三个班去春游,一班51人,二班47人,三班49人。如果每辆车坐50人,3辆车够用吗?4]6O-h6f8\(]'[
算式:提示7h1k6G.J3g7t)m5P)]9I(u4]6O-h6f8\(]'[
算式:提示5O6X1m(S*^4C+w4]6O-h6f8\(]'[
答;3辆车够用。4]6O-h6f8\(]'[