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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,小耳朵准备，听数布数。,8 2 1 1 8 7 5,3 4 7 2 6 9 0 5 8 1 9 6 4 2 8,全盘练,隔档拨入,753,加,4,加,105,隔档拨入,893,单档练,539,587,4594,2896,326,213,512,75,4283,311,162,2734,空拨,要求：第一个数,实拨,，第二个数,空拨,459,759,1999,406,53,58,701,1506,493,要求：两个加数都,空拨,455,919,854,53,402,4,915,624,230,看心算,769,188,2684,246,523,135,53,82,2602,252+163=,415(本),观察指法,请小朋友们在,算盘上拨一拨,268+179=,试一试,268+179=,447,252+163=415,比较：,268+179=447,1436+758=,试一试,2194,252+163=415,268+179=447,1436+758=2194,345+293,628+297,483+659,509+59,875+47,67+258,2128+64,2745+186,5604+557,.,.,=638,=925,=1142,=568,=922,=325,=2192,=2931,=6161,493+300493+46,493+346,2165+97,2165+907,2165+970,71+19,71+109,71+190,=,793,=,539,=,839,=,2262,=,3072,=,3135,=,90,=,180,=,261,5+,408,294,726,317,650,+21,650,317,726,294,408,+59=,+85=,+78=,+44=,+36=,+68=,+82=,+76=,画一画,
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