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Albertandrei36086
a fost răspuns

calculează
a) 24:8×90-(12×5+8×8):4
b) [5×(28:7+9)-7×8]×4

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Răspuns :

Russuvladislava9

24:8×90-(12×5+8×8):4=84,75

Dacianaszilagyi

Răspuns:

a) 24 : 8 × 90 - ( 12 × 5 + 8 × 8 ) : 4 = 239

24 : 8 × 90 - ( 60 + 64 ) : 4 =

24 : 8 × 90 - 124 : 4 =

3 × 90 - 31 =

270 - 31 = 239

b) [ 5 × ( 28 : 7 + 9 ) - 7 × 8 ] × 4 = 36

[ 5 × ( 4 + 9 ) - 7 × 8 ] × 4 =

( 5 × 13 - 7 × 8 ) × 4 =

( 65 - 56 ) × 4 =

9 × 4= 36

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