2018--2019ѧȵһѧ--ԪϰԾ
һ꼶ѧ
һһ룬һ32֣
2ӻ
3д
ʮд ʮһд ʮд 4ұ𣬵һλǣ λڶλǣ λ
51ʮ6һǣ 3һ1ʮɵǣ 62ʮǣ 15У ʮͣ һ 713ġ3ڡ λϣʾ 1ڣ λϱʾ
819ڵǣ ͣ
9ʽ15-3=12Уǣ ǣ ǣ
ʽ11+4=15У114У 15У 㣨16֣
13+5= 11+4 18-5= 14-10= 17-6= 0+8= 16-0= 9-9= 10+7= 19-9= 10-4= 9-5= 3+7+5= 6+4+9= 8+2-7= 18-8-3= ѡȷ𰸵ķ8֣
1һλСλĺǣ 110 211 319 2155ǣ 120 210 39 31117֮У 17 25 36
411Уߵ1ұߵ1ʾ壨 1ͬ 2ͬ
ġС(Ե̴Ĵ)4֣ 1һλһλǸλ 218ڵ1920 3һ7һ3ǵĺ9 411У1ʾ˼һ 塢ԣ12֣
6 + 3C2= 4 + 5C5= 5 + 3C4=
2 + 5 -6= 8C 3 +2= 9 C 5 +4=
塢ͼʽ8֣ 1 2
6
= = 3 4
= = = = = ʽ㣨6֣
1һ12һ6Ƕ٣ =
2165Ƕ٣ =
31310ǣ
= ˡе⣨14֣
1һ85мûߣ2֣ =
219ͬѧμӻ8Ůͬѧôͬѧжٸ2֣
=Ԫ
3ְ18ԪǮ糿ȥ8ԪͰװˮ
ȥ6ԪʣԪ4֣
=Ԫ
(4)СŶʱǰ3ˣҲ3ˣһжˣ(4)
= ˣ
(5)ԭ10ˣмվ8ˣ5ˣڻжˣ4֣ = ˣ
(6)ССŶӴСŵ11λСŵ18λ֮мˣ2֣
( )ˡ