Page 21 - aljaber

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. 6 ×−5 = −30 ()
()
(−3)2 ×(−2)3 = −3 ×−3 ×−2 ×−2 × −2
= −9 × 8 = −72 ()

. −24 ÷ 8 = −3

[Order of Operations] (.)

. : ()
.
. ()
. . ()
()
. . ()
:
18 − (6 × 3) − 4 ( ) ()
(3 + 8) − 5 ( ) 24 × 8 ÷ (4 − 2) ( )

3 + (8 − 5) (12 × 3) ÷ (12 ÷ 3) × 2 ( )

24 × 8 ÷ (4 − 2) = 24 × 8 ÷ 2 = 192 ÷ 2 = 96 ()