Question

$(6.4)^2-(5.4)^2/8.9^2+8.9*2.2+(1.1)^2$
Pls answer

Answer 1

Answer:

[(

3

2

)

2

]

3

×(

3

2

)

−4

×(

3

1

)×

6

1

=

3

6

×36−4×3×2×3

2

6

×2

−4

×1

=

3

4

2

=

81

2

Hence, the answer is

81

2

.