问题 填空题

填空:(1)(a87=______;(2)(105m=______;(3)(am3=______;

(4)(b2m5=______;(5)(a42•(a33=______.

答案

(1)(a87=a8×7=a56

(2)(105m=105×m=105m

(3)(am3=am×3=a3m

(4)(b2m5=b2m×5=b10m

(5)(a42•(a33=a4×2•a3×3=a8•a9=a8+9=a17

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