Question

Rezolvati...

A)30+5×[40+8×(200:5-72:2)]
b)1+5×{32:8+0×[40+8×(200:5-72:2)]}
C) 42:3×[762:3-(196:2+13×12)]
D)57:7×10-[2+2×2:2+2(3+5)] ASA ESRE LA URMA FARA NICI UN SEMN DUPA PARANTEZA VA ROG

Answer 1

Știți prin metodă figurativa

Answer 2

30+5×[40+8×(200:5-72:2 )]
30+5×[40+8×(40-36)]
30+5×(40+8×4)
30+5×(40+33)
30+5×73
30+365
=395

1+5×{32:8+0×[40+8×(200:5-72:2)]}
1+5×{4+0×[40+8×(40-36)
1+5×[4+0×(40+8×4)
1+5×[4+0×(40+32)
1+5×(4+0×72)
1+5×(4+0)
1+5×4
1+20
=21

42:3×[762:3-(196:2+13×
12)]
14×[254-(98+156)]
14×(254-254)
14×0
=0

57:7×10-[2+2×2:2+2 (3+5)]
ce semn este lângă 2 şi (3+5)?