共回答了458个问题采纳率:89.7% 举报
=20×10^11
=2×10^12(次)
一种电子计算机每秒可做4x10的9次方次运算,
他工作5x10的2次方秒可做2×10的12次方次运算.
1年前
你能帮帮他们吗
精彩回答
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