Question

2 Se dau numerele: = (160 - 30 x 5) x 12-6-(24+6:6) n = 32:8 +3 x [60 + 8x (200:5-36:2)] Sumam+neste mai mare decât diferenţa n-m cu: a) A. 89 B. 178 C.715 b) Expresia ,,5 xm-n: 4" este egală cu: A. 445 B. 178 C. 267.dau corona​

Answer 1

Răspuns:

m= (160 - 30 x 5) x 12-6-(24+6:6)

m=(160-150)×12-6-(24+1)

m=10×12-6-25

m=120-6-25

m=89

n = 32:8 +3 x [60 + 8x (200:5-36:2)]

n=4+3×[60+8×(40-18)

n=4+3×(60+8×22)

n=4+3×(60+176)

n=4+3×236

n=712

(m+n)-(n-m)=(89+712)-(712-89)=178

5m-n: 4=5×89-712:4=445-178=267