Thanks to computers, we can calculate difficult mathematic formula __________ lightning speed.
A. on
B. at
C. with
D. of
Giải bởi qa.haylamdo.com
Đáp án: C
Giải thích: cụm từ with lightning speed: với tốc độ chóng mặt
Dịch: Nhờ có máy tính, chúng ta có thể tính toán các phép toán với tốc độ chóng mặt
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