6) ) Encontre o resultado das operações abaixo: (atenção para o MMC):

7) Efetue:

8) Arme e efetue:

a) 67567 + 7896=___________ b) 24359 + 6756 =___________ c) 4563 - 2399=_________ d) 56478 - 34569=___________ e) 1584 : 99= ____________ f) 1442 : 14= __________ g) 3271 x 39= ____________ h) 629 x 65= ___________ i) 246 x 24= __________ j) 1967 x 26= _____________ k) 465 x 53= ______________ l) 4416 : 6= ______________ m) 2397 : 17= _____________ n)89767 + 45379 + 2347=___________

9) Determine os múltiplos de:

M (7) {______________________________________________________________________}

M (15) {______________________________________________________________________}

M(21) {______________________________________________________________________}

M(9) {______________________________________________________________________}

M(16) {______________________________________________________________________}

M(18) {______________________________________________________________________}

M (10) {______________________________________________________________________}

M (12) {______________________________________________________________________}

M (5) {______________________________________________________________________}

10) Agora determine o M.M.C entre:

a) 7 e 21= ___________________ b) 21 e 18 =___________________

c) 10 e 12= _________________ d) 12 e 16=___________________

e) 16 e 18 =_________________ f) 15 e 18=___________________