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Question:
A1
B58
C25
D5
Answer:
a^m x a^n = a^m+n 5^3 x 5^3=5^7 5^7/5^7=1
Related Questions:
0.08×2.50.0250.08 \times\frac{2.5}{0.025} 0.08×0.0252.5 = ......
