Question

Calculati:
a) 1,3 + 2,45 -0,123;b)17,25-3,78;c)2,3 la puterea 2-1,7;d)7-3,71+5,2;e)14,23-2,6 la puterea 2;f)2,5-0,7 la puterea 2​

Answer 1

Răspuns:

Explicație pas cu pas:

1,3+2,45-0,123=3,75-0,123=3,627

Answer 2

a) 1,3 + 2,45 -0,123=

=3,75-0,123=

=3.627

b) 17,25-3,78=13,47

c) 2,3²-1,7=

=5,29-1,7=

=3,59

d) 7-3,71+5,2=

=3.29+5.2=

=8,49

e)14,23-2,6²=

=14,23-6,76=

=7,47

f)2,5-0,7²=

=2,5-0,49=

=2,01