February 2023 2 31 Report
resolva as expressões numericas

a. 20 - ( 8 x 2 + 4 ) : ( 15 : 5 + 1 )
b. 10 + ( 7 x 7 + 11 ) : ( 3 x 9 + 3 )
c. 5 x (20 + 2 - 15 ) - (7 x 8 - 30 )
d. 5 + 3 x 8
e . 4 x 7 + 3
f. 15 x 3 : 9
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