Question

Resolva as expressões . a) ( 321+ 38) + ( 48 – 43)= b) ( 367 + 29) – ( 77 – 17 ) = c) ( 348 – 31 ) – ( 14 + 62) = d) ( 862 + 79 ) – ( 231 – 21 ) + ( 50 + 43) = *
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Answer 1

Resposta:

a) (321+38 ) + (48-43).

↓. ↓

359. + 5

= 364

b) (367+29)-(77-17)

↓ ↓

396 - 60

= 336