人教版小学三年级数学“解决问题”专项练习题

<div style="text-align: center;"><font color="#ff0000"><strong>人教版小学三年级</strong><span style="line-height: 150%; font-family: 宋体; font-weight: bold;">“</span><span style="line-height: 150%; font-family: 宋体; font-weight: bold;">解决问题</span><span style="line-height: 150%; font-family: 宋体; font-weight: bold;">”</span><span style="line-height: 150%; font-family: 宋体; font-weight: bold;">专项练习</span></font></div><br><span style=" mso-font-kerning:; ">1、一条铁丝可以围成一个长8</span><span style=" mso-font-kerning:; ">分</span><span style=" mso-font-kerning:; ">米,宽4</span><span style=" mso-font-kerning:; ">分</span><span style=" mso-font-kerning:; ">米的长方形,如果用它围成一个正方形,正方形的边长是多少</span><span style=" mso-font-kerning:; ">分</span><span style=" mso-font-kerning:; ">米?(</span><span style=" mso-font-kerning:; ">3</span><span style=" mso-font-kerning:; ">分)</span><br><br><span style=" mso-font-kerning:; ">2、一条绳子,第一次用了2/5</span><ruby>第二次用了1/5<ruby>,两次一共用了几分之几?还剩几分之几?(4分)<br></ruby></ruby><br><br><span style=" mso-font-kerning:; ">3</span><span style=" mso-font-kerning:; ">一块长方形菜地,长6米,宽5米,四周围上篱笆,其中有一面靠墙,篱笆至少长多少米?(4分)</span><br><br><span style=" mso-font-kerning:; ">4、果园里有桃树106棵,梨树比桃树的4倍少8棵。两种树共多少棵?</span><span style=" mso-font-kerning:; ">(4分)</span><br><br><span style=" mso-font-kerning:; ">5、300个同学乘4辆汽车去郊游。前3辆车各坐78个同学,第4辆车要坐多少个同学?</span><span style=" mso-font-kerning:; ">(4分)</span><br><br><span style=" mso-font-kerning:; ">6、三(2)班有28人,其中订漫画书的有13人,订故事书的有14人,两种书都订的有6人,两种书都没订的有多少人?</span><span style=" mso-font-kerning:; ">(4分)</span><br><br><span style=" mso-font-kerning:; ">7、小朋友买门票。每张儿童票</span><span style=" mso-font-kerning:; ">8</span><span style=" mso-font-kerning:; ">元,有</span><span style=" mso-font-kerning:; ">119</span><span style=" mso-font-kerning:; ">个小朋友,带</span><span style=" mso-font-kerning:; ">1000</span><span style=" mso-font-kerning:; ">元买门票够吗?</span><span style=" mso-font-kerning:; "></span><br><br><span style=" mso-font-kerning:; ">8、三(</span><span style=" mso-font-kerning:; ">1</span><span style=" mso-font-kerning:; ">)班收集了</span><span style=" mso-font-kerning:; ">76</span><span style=" mso-font-kerning:; ">个矿泉水瓶,三(</span><span style=" mso-font-kerning:; ">2</span><span style=" mso-font-kerning:; ">)班收集的是三(</span><span style=" mso-font-kerning:; ">1</span><span style=" mso-font-kerning:; ">班)的</span><span style=" mso-font-kerning:; ">3</span><span style=" mso-font-kerning:; ">倍,两个班一共收集了多少个瓶子?</span><br><br><span style=" mso-font-kerning:; ">9、一本书有</span><span style=" mso-font-kerning:; ">40</span><span style=" mso-font-kerning:; ">页,小明第一天看了1/8</span><span style=" mso-font-kerning:; ">,第二天看了3/8</span><span style=" mso-font-kerning:; ">,他一共看了几分之几?还剩多少页没看?</span><br><br><span style=" mso-font-kerning:; ">10、如图,王爷爷靠墙用篱笆围了一块长方形的菜地。篱笆长多少米?</span><span style=" mso-font-kerning:; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0104/201514132146.png?m=0.4804319746326655"><br><br><span style=" mso-font-kerning:; ">11、商店里有红气球206个,黄气球比红气球多95个,蓝气球比黄气球多89个。商店里有蓝气球多少个?</span><span style=" mso-font-kerning:; "></span><br><br><span style=" mso-font-kerning:; ">12、红星小学操场的长是70米,宽比长短5米。亮亮绕着操场跑了2圈,他跑了多少米?</span><br><br><span style=" mso-font-kerning:; ">13、把一张长方形纸对折后,每份是这张长方形纸的几分之几?把这张长方形纸再对折两次后,每份是这张长方形纸的几分之几?</span><span style=" mso-font-kerning:; "></span><br><br><span style=" mso-font-kerning:; ">14、修路队要修3000千米的路,第一天修了639千米,第二天修了865千米,两天共修了多少千米?</span><br><br><span style=" mso-font-kerning:; ">15、果园里有桃树106棵,梨树比桃树的4倍少8棵。两种树共多少棵?</span><br><br><span style=" mso-font-kerning:; ">16、一块一面靠墙的长方形的菜地(如图),长8米,宽4米,现在要给其它三面围上篱笆,至少要围多少米的篱笆?&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</span><span style=" mso-font-kerning:; "></span><br><br><img src="//www.szxuexiao.com/uploadimages/2015/0104/201514132322.png?m=0.6951203714124858"><br><br><span style=" mso-font-kerning:; ">17、晨光小学一年级有男生378人,女生346人。已经检查身体的有398人,没检查身体的有多少人?</span><span style=" mso-font-kerning:; "></span><br><br><span style=" mso-font-kerning:; ">18、</span><span style=" mso-font-kerning:; ">一根长20厘米的</span><span style=" mso-font-kerning:; ">铁丝</span><span style=" mso-font-kerning:; ">,还差多</span><span style=" mso-font-kerning:; ">少</span><span style=" mso-font-kerning:; ">厘米就能围成一个边长是6厘米的正方形</span><span style=" mso-font-kerning:; ">?</span><span style=" mso-font-kerning:; "></span><br><br><span style=" mso-font-kerning:; ">19、一个长方形花坛的长是5米,宽是3米。小军绕着这个花坛走了2圈,一共走了多少米?</span><br><br><span style=" mso-font-kerning:; ">20、希望号客轮原有乘客600人,到达港口后,有157&nbsp;人离船,另有243人上船,现在客轮上有多少乘客?</span><br><br><span style=" mso-font-kerning:; ">21、一个长方形的菜地,长7米,宽4米。在它的四周围篱笆,篱笆长多少米?如果一面靠墙,篱笆至少要多少米?</span><br><br><span style=" mso-font-kerning:; ">22、一辆自行车408元,一台电脑的价钱是自行车的9倍,一台电脑共多少元?</span><br><br><span style=" mso-font-kerning:; ">23、工人叔叔把机器装在载重5吨的卡车上,每台机器重905千克,这样的机器装5台,超载了吗?</span><span style=" mso-font-kerning:; "></span><br><br>