同学们去植树,每班种了74棵树,4个班共种了多少棵树?)G/n3q7M:K.x+G5o2e:K+x
算式:提示3[8Z(l.C9X*}/B.@:i)G/n3q7M:K.x+G5o2e:K+x
答:4个班共种了5Y4[6x9E6l3t7V(s3X;Y7B5L+^;a;?棵树。)G/n3q7M:K.x+G5o2e:K+x