12.計算25 ÷ 8 − 3 ÷ 4 × |32 − 52 |之值為何?
(A) -8
(B) 16
(C)
(D)

答案：登入後查看
統計： A(8), B(2), C(0), D(2), E(0) #2968536

詳解 (共 1 筆)

#5800803

(25/8)-(3/4)x|32-52|
=(25/23)-(3/4)x(52-32)|
=22-(3/4)x16
=4-12
=-8

0
0