Question

6. Calculaţi: a) (12.6+7.20) - 10; c) (15 6-12-7) 100; b) (23-8-16-3) -10; d) 100 (36 3+15-5).​

Answer 1

a) (12,6+7,20)-10=

=19,8-10=

=9,8

b) (23-8-16-3)-10=

= (-4)-10=

= -14

c) (15,6-12-7)100=

= (-3.4)•100=

= -340

d) 100(36.3+15-5)=

=100(51.3-5)=

=100•46.3=

= 4630