Question

計(jì)算：-40

1

2

×(1

1

4

+

109

144

)÷(-0.5)÷

3

4

×

4

3

-

4

3

[(-2)2-22]=______．

Answer 1

原式=-

81

2

×

180+109

144

×(-2)×

4

3

×

4

3

-

4

3

×(4-4)
=-

81

2

×

289

144

×(-2)×

4

3

×

4

3

-0
=289