二年级上册数学-判断和解决问题专项练习
二年级1、2班周末数学题单(限时70分钟)1判断题专项练习班级姓名用时一、判断题。1.1×1的积是2。()2.在2×3=6这个算式中,因数是3和6。()3.3个2元钱是5元钱。()4.4×5和5×4计算时用同一句口诀。()5.6+6+6+6+6+4可以写成6×4+4。()6.四六二十六。()7.5个3相加,和是15。()8.角的边越长,角就越大。()9.直角是最大的角。()10.一个角的两条边开口越大,这个角就越大。()11.3×4+4可以看作4×4=16()12.2连续加,得出18,需要加9次。()13.下面图形中,是角的在()里画“√”,不是角的画“×”。()()()()()()()()1...
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