Question

6 Verifică relaţiile şi scrie A pentru cele adevărate şi F pentru cele false.
a) (580 – 40 : 2 x 4):25 + 550 < 600
c) (3 +47 +50): 4+91] : 2 > 50
b) 300 – 2 x [5 x (70 - 78:3)] : 8 > 250 d) (100 < (25 + 50 x 4) + 500)] : 10< 3 000​

Answer 1

a) (580-40:2×4):25+550<600

(580-80):25+550<600

500:25+550<600

20+550<600

570<600 -ADEVĂRAT (A)

c) [(3+47+50):4+91]:2>50

(100:4+91):2>50

(25+91):2>50

116:2>50

58>50 -ADEVĂRAT (A)

b) 300-2×[5×(70-78:3)]:8>250

300-2×[5×(70-26)]:8>250

300-2×(5×44):8>250

300-2×220:8>250

300-55>250

245>250 -FALS (F)