六年级上册数学试题－小升初模拟试卷 (9) 2019年全国通用（解析版）.doc

2019年小学六年级小升初数学模拟试卷一、(    )测量得精确。A.                                    B.                                    C. ,至少有( ). 2                                              B. 3                                              C. (   )表示一些物体的确切位置。A. 方向                                         B. 距离                                         C. (如图),如果把圆柱和圆锥重新分开,,原来这个物体的体积是(  ).A.                       B.                       C.                        D. ,盐与盐水重量的比是(  )A. 1∶9                                  B. 1∶10                                  C. 9∶10                                  D. 10∶,运来的黄砂比水泥的2倍还多吨,运来黄砂(  )A. 吨                                 B. 吨                                  C. 吨                                  D. ,估计一下,他在上学的路上可能走了(  )步。A. 16                                    B. 160                                     C. 1600                                     D. ,它的体积是(  )。A. 64立方米                                  B. 512米                                  C. ,乙数比甲数多25%,乙数是(  )A. 60                                 B. 240                                    C. 300                                     D. ?()A. 对                                        B. 不对                                        C. 、乙两数的和是140,甲与乙的比是4∶3,求甲、乙两数各是几?正确的是(  )A. 甲:90,乙:50            B. 甲:78,乙:62            C. 甲:80,乙:60            D. 甲:86,乙:54二、,这个分数就不是最简分数。(   )。(   )%后,再减少20%,结果是24米。(   )15.(   ).(  )三、,如果在每一边上放8盆花,至少要用________盆花。,两个外项互为倒数。,那么另一个内项是________。、黄、蓝三种颜色的珠子各10颗,放在一个布袋里。一次摸出10颗,总会有一种颜色的珠子不少于________颗。一次摸出12颗,至少会有________种颜色。、白、黄三种颜色的小球各10个,至少摸出________个小球才能保证有3个小球的颜色是相同的。、黄、蓝、白四种颜色的球各8个放到一个袋子里。至少要取________个球,才可以保证取到两个颜色相同的球。22