126×4112÷23412．

题型：解答题难度：一般来源：不详

1

2

6

×4

1 12

÷

2

3

4 1 2

．

答案

原式=

1

2

6

×4

1 12

÷

4 9 × 9 2

=

1

2

6

×4

1 12

÷

2

=

1

2

6

×4

1 12

×

2

2

=

1

2

×4×

1

2

×

6× 1 12 ×2

=1．