Page 27 - aljaber

@ @¶ìÿa@óÝy‹¾a@ u@ @QT

: ()

11 ()
13.21
+16.82
30.03

:

5.7

−3.2

2.5

()

.1096 137 8 .

.13.7 × 0.8 = 10.96

500 × (0.4)2 = 500 × 0.4 × 0.4 = 500 × 0.16 = 80.00 ( )

[Algebraic Expresions] (.)

x.

Ay

.A = xy A = x × y

.