题目内容

4800-(5i0+54×44)先算______,得数是______.
ay00-(160+1a×uu)
=ay00-(160+uy6)
=ay00-446
=aa54;
所以ay00-(160+1a×uu)先算乘法,得数是aa54.
故答案为:乘法,aa54.
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