一盒奶糖和一盒普通水果糖多少钱一斤的块数同样多,为什么?


小明有5盒奶糖,小强有4盒水果糖,共44元,如果小明和小强对换一盒,则两个人手中的糖价格相等。一盒奶糖和一盒水果糖各是多少元?...
小明有5盒奶糖,小强有4盒水果糖,共44元,如果小明和小强对换一盒,则两个人手中的糖价格相等。一盒奶糖和一盒水果糖各是多少元?
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解:设一盒奶糖价格是4X
那么5盒的价格是20X 4盒水果糖的价格=44-20X
1盒水果糖的价格=(44-20X)÷4=11-5X两人兑换后 小明有4盒奶糖 1盒水果糖 总价格=4×4X+11-5X=11+11X小强有3盒水果糖 1盒奶糖 总价格=3×(11-5X)+4X=33-11X33-11X=11+11X22X=22X=1所以奶糖价格是4×1=4元 水果糖价格=11-5×1=6元答:奶糖价格是4元
水果糖价格是6元
展开全部如果小明和小强对换一盒,那么小强有4盒奶糖,1盒水果糖,价值44/2=22元;小明有1盒奶糖,3盒水果糖,价值44/2=22元;所以4-1=3盒奶糖的价格等于3-1=2盒水果糖的价格小强原有4盒水果糖,相当于:4*3/2=6盒奶糖的价格所以最初两人的糖价格与5+6=11盒奶糖的价格相等奶糖每盒:44/11=4元水果糖每盒:4*3/2=6元
展开全部我们知道水果糖的价钱一定比奶糖高。在这个情况下,我们能利用一配一地去掉。就是:44÷4=11(元)但是,因为多一盒奶糖,所以,不可能正好被整除,所以应该是10元再多4元。那么,这四元便是奶糖的价格求出了奶糖的价格,我们就能列下以下算式:44÷2=22(元)22-4=18(元)18÷3=6(元)这个题目为什么这么确定那个四就是奶糖价格呢?那么,我们来验证一下。假设,是9元多8元,那么,这八元就是奶糖的价格。接下来的算式是:44÷=22(元)22-8=16(元)16÷3≈5(元)展开全部5x+4y=44
4x+y=3y+x嗯,自己算吧
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