8 • 5 – (60 – 42 ) : 3 + 9 • 2= 5 • 7 + (18 +14) : 4 – (26 – 8 ) : 3 • 2=
(58 – 31 ) : 3 – 2 + (58 – 16) : 6=
( 9 • 7 + 56 : 7) – ( 2 • 6 – 4 ) • 3 + 54 : 9=
какой порядок действий в этих примерах
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