杜曼幼儿数学--1-20加法-1[不规则小猫]

Addition 1-20Slide Show Menu,Show will end after clicking formula with *,1,+,1,=,2,+,1,+,2,=,3,1,+,3,=,4,1,+,4,=,5,1,+,5,=,6,1,+,6,=,7,1,+,7,=,8,1,+,8,=,9,1,+,9,=,10,1,+,10,=,11,1,+,11,=,12,1,+,12,=,13,1,+,13,=,14,1,+,14,=,15,1,+,15,=,16,1,+,16,=,17,1,+,17,=,18,1,+,18,=,19,1,+,19,=,20,2,+,2,=,4,2,+,3,=,5,2,+,4,=,6,2,+,5,=,7,2,+,6,=,8,2,+,7,=,9,2,+,8,=,10,2,+,9,=,11,2,+,10,=,12,2,+,11,=,13,2,+,12,=,14,2,+,13,=,15,2,+,14,=,16,2,+,15,=,17,2,+,16,=,18,2,+,17,=,19,2,+,18,=,20,3,+,3,=,6,3,+,4,=,7,3,+,5,=,8,3,+,6,=,9,3,+,7,=,10,3,+,8,=,11,3,+,9,=,12,3,+,10,=,13,3,+,11,=,14,3,+,12,=,15,3,+,13,=,16,3,+,14,=,17,3,+,15,=,18,3,+,16,=,19,3,+,17,=,20,4,+,4,=,8,4,+,5,=,9,4,+,6,=,10,4,+,7,=,11,4,+,8,=,12,4,+,9,=,13,4,+,10,=,14,4,+,11,=,15,4,+,12,=,16,4,+,13,=,17,4,+,14,=,18,4,+,15,19,=,4,+,16,20,=,5,+,5,10,=,5,+,6,=,11,5,+,7,=,12,5,+,8,=,13,5,+,9,=,14,5,+,10,=,15,5,+,11,=,16,5,+,12,=,17,5,+,13,=,18,5,+,14,=,19,5,+,15,=,20,6,+,6,=,12,6,+,7,=,13,6,+,8,=,14,6,+,9,=,15,6,+,10,=,16,6,+,11,=,17,6,+,12,=,18,6,+,13,=,19,6,+,14,=,20,7,+,7,=,14,7,+,8,=,15,7,+,9,=,16,7,+,10,=,17,7,+,11,=,18,7,+,12,=,19,7,+,13,=,20,8,+,8,=,16,8,+,9,=,17,8,+,10,=,18,8,+,11,=,19,8,+,12,=,20,9,+,9,=,18,9,+,10,=,19,9,+,11,=,20,10,10,=,20,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,well don