Question

1. Observă, apoi calculează:

a) 65 - (39+ 25) =
(613-316) + 104 =
1 281 - (175 + 192) - (9+ 404) =

c) (72:4) + (37 x 31) =
(3 x 27 -60):7 + 5 =

b) 8×(42:7)=
(54:9)×5=
10×(24:6):(2×4)=

d) 42+(28×13)-(93:3)=
45:(3×3)×8×(2×5)=






dau coroana!​

Answer 1

Răspuns:

a) 65-64=1

287+104= 391

1281 - 367 - 413= 914-413= 501

b) 8x6=48

6x5=30

10x4:8=40:8=5

c) 18+1.147=1.165

(81-60):7+5= 21:7+5=3+5=8

d)42+365-31=407-31=376

45:9x8x10=5x8x10=40x10=400

Succes!