时间单位换算:①、0.25h=_____ min =_______ s.②、3.6×10^9 ms= _______h.③、3h 20min 15s =____ s

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时间单位换算:①、0.25h=_____ min =_______ s.②、3.6×10^9 ms= _______h.③、3h 20min 15s =____ s
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时间单位换算:①、0.25h=_____ min =_______ s.②、3.6×10^9 ms= _______h.③、3h 20min 15s =____ s
时间单位换算:
①、0.25h=_____ min =_______ s.②、3.6×10^9 ms= _______h.
③、3h 20min 15s =____ s

时间单位换算:①、0.25h=_____ min =_______ s.②、3.6×10^9 ms= _______h.③、3h 20min 15s =____ s
0.25h=__15___ min =____900___ s.
3.6×10^9 ms= ____1000___h
3h 20min 15s = 12015____ s
不清楚可以追问 哦

①、150,9000 ②、1000h ③、12015s