星星布店用5400元从厂家购进了两种不同价格的布料构138米,其中甲种布料每米30元,乙种布料每米50元,则两
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,两种布料共多少米?
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)
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
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?(要式子、要答案.)
列方程并解答 买两种布料共138m,花了540元.其中篮布料每米3元,黑布料每米5元,两种布料个买
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?