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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,精选,*,搭 积 木,1,精选,1精选,2,精选,2精选,10,3,3,精选,1033精选,10,3,2,13,+2,=,4,精选,103213+2=4精选,10,3,14,15,5,精选,10314155精选,10,3,2,13,+2,=15,6,精选,103213+2=156精选,10,3,2,13,+2,=,10 +3,3+2=5,5+10=15,7,精选,103213+2=10 +33+2=55+10=,14+5=,8,精选,14+5=8精选,14+5=,10 +4,19,4+5=9,9+10=19,9,精选,14+5=10 +4194+5=99+10,18块,10,精选,18块10精选,11,精选,11精选,18,2,=16,12,精选,18 2=1612精选,18,2,=16,13,精选,18 2=1613精选,18,2,=16,10 +8,82=6,6+10=16,14,精选,18 2=1610 +882=66+10=,17,6,=,15,精选,17 6=15精选,17,6,=,10 +7,11,76=1,1+10=11,16,精选,17 6=10 +71176=11+10=,17,精选,17精选,10+3=,13 =,13,3,10,18,精选,10+3=13 =1331018精选,17,17,5,12,19,精选,171751219精选,哪两个数加起来是18？填在算式中。,20,精选,哪两个数加起来是18？填在算式中。20精选,21,精选,21精选,197=,13+5=,15+3=,163=,5+13=,12+6=,164=,15+4=,12,18,18,12,13,18,18,19,22,精选,197=13+5=15+3=163=5+13=12,相碰的做加法,12+3=,23,精选,相碰的做加法12+3=23精选,相碰的做加法,12+3=,15,24,精选,相碰的做加法12+3=1524精选,相碰的做加法,12+4=,25,精选,相碰的做加法12+4=25精选,相碰的做加法,12+4=,12+6=,18,26,精选,相碰的做加法12+4=12+6=1826精选,相碰的做加法,12+4=,27,精选,相碰的做加法12+4=27精选,相碰的做加法,12+4=,14,28,精选,相碰的做加法12+4=1428精选,相碰的做加法,12+4=,16,29,精选,相碰的做加法12+4=1629精选,相碰的做减法,30,精选,相碰的做减法30精选,
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