1.在( )內填入恰當數字 1.4-8-12-16-( )-( )-( ) 2.8-12-16-20-( )-( )-( ) 3.12-16-20-24-( )-( )-( ) 4.16-20-24-28-( )-( )-( ) 5.20-24-28 ...《看全文》

1.算算看 1.2x4= 2.2x5= 3.2x6= 4.3x6- 5.3x7= 6.3x8= 7.3x9= 8.2x9= 9.2x8= 10.2x7= 11.2x6= 12.3x3= 13.3x2= 14.3x1= 15.2x1 ...《看全文》

1在( )內填入恰當數字 1.3x5= 2.3x3= 3.3x8= 4.3x2= 5.3x9= 6.3x7= 7.3x6= 8.3x1= 9.3x4= 10.3x8= 2.乘乘看 1.3x3= 2.3x4= 3.3x5= 4.3x ...《看全文》

1.在( )填入恰當數字 1.3x1= 2.3x2= 3.3x3= 4.3x4= 5.3x5= 6.3x6= 7.3x7= 8.3x8= 9.3x9= 10.3x2= 2.乘乘看 1.3x5= 2.3x6= 3.3x7= 4.3x ...《看全文》

1.在( )內填入恰當數字 1.3-6-9-12-( )-( )-( ) 2.6-9-12-15-( )-( )-( ) 3.9-12-15-18-( )-( )-( ) 4.12-15-18-21-( )-( )-( ) 5.15-18-21-24 ...《看全文》

1.在( )內填入恰當數字 1.2x5= 2.2x3= 3.2x8= 4.2x2= 5.2x9= 6.2x7= 7.2x6= 8.2x1= 9.2x4= 10.2x8= 2.乘乘看 1.2x3= 2.2x4= 3.2x5= 4.2 ...《看全文》