一只驼鸟每小时跑54.3千米,一辆卡车每小时行45.7千米.鸵鸟的速度比卡车快多少千米?5E(^4i/l(p4t-o(`,D,C
算式:提示5w0j+u5^'T4y-`0v-C6@0^.N6q5E(^4i/l(p4t-o(`,D,C
答:鸵鸟的速度比卡车快6w(\.e4~*l2l:v-@千米。5E(^4i/l(p4t-o(`,D,C