初一下册第一单元数学题

Question

柯桥区某礼品店在销售礼品时,为制作精美，同时确保包装质量，对每件礼品都进行了包装.他们购得规格是170cm×40cm的标准板材作为原材料，每张标准板材按裁法再按照规格是裁法一或裁法二裁下A型与B型两种板材.如图甲，（单位：cm）

1）列出方程（组），求出图甲中a和b的值；
2）在礼品销售过程中，若将40张标准板材用裁法一裁剪，6张标准板材用裁法二裁剪，再将得到的A型与B型板材做成图乙的竖式与横式两种礼品盒.
①两种裁法共产生A型板材______张，B型板材______张；
②已知①中的A型板材和B型板材恰好做成竖式有盖礼盒x个，横式无盖礼盒y个，求x、y的值

3）某天，礼品店老板用20张标准板材，按照图甲的两种裁法，恰好全部做成图乙的横式无盖礼盒若干个，问老板是如何裁剪的？做成的横式无盖礼盒有多少个？

Answer 1

直接接在后面：it was an exciting night.There was a surprise party。Lana said she would bring some drinks and snacks to Marica's home on Friday night.But Lana forgot to bring some things.Marica was still very glad.Then they went to the park outside Marcia's house.Marcia and Lana were surpised to see their classmate/They took out their fift.They laughed,ate and drank.How happy they were!

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我找数学的
一看就是抄袭

　　我找数学的
　　一看就是抄袭
　　滚远点