Question

DAU COROANA URGEEEEEENT!!!!!!​

Answer 1

Răspuns:

ok

Explicație pas cu pas:

1. a) 3,14+21,678=24,818

b) 24,5:100=0,245

c) 25:0,5=50

d) (0,3)^2=0,09

e) 9,456*10=94,562.

2. 6+1,4=7,4

48,4-1=7,4

43,7*2=7,4

4732,6:99=7,4

3a) (1,3-0,5*0,1):0,01=(1,3-0,05):0,01=1,25:0,01=125

b) [0,(6)+1,(2)]:0,(4)=(6/9+11/9):4/9=17/9*9/4=17/4=4,25

Answer 2

Răspuns:

Explicație pas cu pas:

1/

a) 3,14+21,678=24,818

b) 24,5:100= 0,245

c) 25:0,5=25:5/10=25·10/5=25·2=50

d) (0,3)²= (3/10)²=9/100=0,09

e) 9,456·10=94,56

2/

7,4->suma= 7+0,4

diferenta= 8-0,6

produs=1·7,4

3/

a) (1,3-0,5·0,1):0,01

=(13/10-5/10·1/10):1/100

=(13/10-1/20):1/100(amplific 13/10 cu 2)

=(26-1/20):1/100

=25/20·100

=25·5

=125

b) [0,(6)+1,(2)]:0,(4)=

(6/9+11/9);4/9=

17/9·9/4=

17/4=4,25