二年级上册数学复习数角、图形
1、数一数,图形中各有多少个角或图形。()个角一共()个角,()个直角一共()个角,()个直角()个角()个角()个平行四边形()个正方形,()个长方形()个三角形()个锐角,()个直角,()个钝角。2、画三种角,并给它命名,同时读出和写出这个角。3计算并验算。4、计算。1000—275=256+375=35÷8=45÷9=4、3个()、6个()和2个()组成的是3062。5、尺子上,1厘米中有()个小格,()小格是1毫米。6、用1、3、8、4、6组成的最大四位数是(),组成的最小三位数是()。7、1分=()秒1时=()分96秒=()分()秒78分=()时()分145厘米=()米()分米()厘...
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