舉例說明下列代數(shù)式的意義:

(1):____________________________;

(2)8x+9y:_______________________________;

(3):__________________________;

(4)12(a-b):______________________________;

(5)90%x+110%y:_________________________;

(6)(a+b)(a-b):___________________________.

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舉例說明下列各代數(shù)式的意義:

(1)可以解釋為________;

(2)(a+b)(a-b)可以解釋為______;

(3)可以解釋為__________;

(4)可以解釋為____________.

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科目:初中數(shù)學 來源: 題型:022

舉例說明下列各代數(shù)式的意義:

(1):____________________________________;

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(4):__________________________________;

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科目:初中數(shù)學 來源:伴你學數(shù)學七年級上冊 題型:022

舉例說明下列代數(shù)式的意義:

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