Question

Se dau numerele: a= 6x7-5x6-72:8; b=64:8 +3x4-4x4; c= 42:6-16:8. Calculeaza: 4 x A -3 x B+2 x C

Answer 1

a=6×7-5×6-72:8

a=42-30-9

a= 3

b=64:8+3×4-4×4

b=8+12-16

b=20-16

b=4

c=42:6-16:8

c=7-2

c=5

4×3-3×4+2×5=

12-12+10=

0+10=10

Answer 2

Răspuns:A=42-30-9=3

B=8+12-16=4

C=7-2=5

4×3-3×4+2×5=10

Explicație pas cu pas: