妈妈做了4件衣服,每件衣服用布2米,一共用了多少米布?'J2[;u0Q7O4E(Q6Q7A+n'?-k.w-E-`
算式:提示)x*[1G6o,B;u:G6v.x1~0w1J8D)x9J'J2[;u0Q7O4E(Q6Q7A+n'?-k.w-E-`
答;一共用了.P;\2{;M-m米布。'J2[;u0Q7O4E(Q6Q7A+n'?-k.w-E-`