元旦到了,王老师给参加表演的同学们买布料.5米布料要250元,王老师带2500元,能买多少米布料
买两种布料共540元.其中蓝布料每米3元,黑布料每米5元,两种布料各买多少米
买两种布料共138m,花了540元.其中蓝布料每米3元,黑布料每米5元,两种布料各买了多少米?(要式子、要答案.)
一人用540元买了两种布料共138米,其中蓝布料每米3元,黑布料每米5元,球两种布料各多少元?
买两种布料共138米,花了540元.其中蓝布料每米3元,黑布料每米5元,两种布料各买了多少米?
买两种布料共138m,花了540元.其中蓝布料每米3元,黑布料每米5元,两种布料各买了多少米?(方程解答)
买两种布料共138m,花了540元,其中蓝布料每米3元,黑布料每米5元,两种布料各买了多少米?
买两种布料共138m,花了540元,其中蓝布料每米5元,黑布料每米3元,两种布料各买了多少米?
买两种布料共138M,花了540元,其中蓝布料每米3元,黑布料每米5元.两种布料各买了多少米?用一元一次方程解答~
买两种布料共138m,花了540元.其中蓝布料每米3元,黑布料每米5元,两种布料各买了多少米?(用方程解)
顾客用540元买下两种布料共46米,其中蓝布料每米9元,黑布料每米15元,求两种布料各买了多少?
某顾客用540元买下两种布料共46米,其中蓝布料每米9元,黑布料每米15元,求两种布料各买了多少?
买两种布料共138m,花了540元,其中蓝布料每米3元,黑米料每米5元,两种布料各买了多少米?