Question

2
Calculează:
a) 36 : 9 + 3 < (6 + 4);
b) 16 + 4 x (18 + 25: 5-3 x 7).​

Answer 1

a)

36:9+3 < (6+4)

4+3 < 10

7 < 10

b)

16 + 4 * (18+25:5-3*7) = 16 + 4 * (18 + 5 - 21) = 16 + 4 * 2 = 16 + 8 = 24

Answer 2

36:9+3<(6+4)

36:9+3<10

4+3<10

7<10

16+4×(18+25:5-3×7)

16+4×(18+5-21)

16+4×(23-21)

16+4×22

16+88

104