二年级上册数学竞赛题 (1)
二年级上册数学竞赛题时间:60分钟满分:100分评分:一、填空题。(1~12题各2分,13~15题各3分,共33分)1、在1~100中,5出现了()次。2、一根细绳对折两次后,长10米,这根细绳原来长()米。3、写出得数都是12的两句不同口诀()和()。4、5+5+10+5改写乘法算式是()。5、数字0、2、5可以组成()个两位数,这些两位数的和是()。6、2米5厘米-32厘米=()厘米,17比()的3倍还多2。7、两个数的积是56,它们的和是15,这两个数是()和()。8、被减数比减数大28,差比减数小16,被减数是()。9、找规律,填一填:无10、○+○+○=18,○×△=48△-○=()...
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