6和7加减法,7,3 + 4 =,6 - 3 =,算一算,3,7 - 1 =,6,6,2 + 4 =,6 - 4 =,2,5 + 2 =,7,1 + 5 =,6,7 - 4 =,3,7,-,1,=,6,7,-,6,=,1,看图列式 我能行,73=,4,74=,3,6,1,5,6,5,1,填一填,7,3,4,7,4,3,填一填,7,3,4,7,4,3,7,+ =,3,4,7,3,4,6,2,4,4,2,6,6,2,6,4,2,3,3,6,6,3,3,+,5,1,6,2,=,7,=,7,6,5,补充练习,1.填数。(1)0,1,2,3,( ),( ) ,( )。(2)10,9,8,7, ( ),( ) ,( )。,3.看图列式计算。, ,4.你能列出几个减法算式?,考考你!,上下两行相差两个,