Question

Calculeaza respect and regulile invatate.
a) 72-21:(35-4x8);
(27+164:2)-7x8;.


b)(408:2+100:2)x4-65x3)x270;
3x(80:4)+(125:5-5(+404:4
dau coroana VA roooog ajutatima am nevoie de ea chiar acum so dau 10 puncte VA roooog ajutatima dau coroana​

Answer 1

☆Rezolvare:

1)

72 - 21 ÷ ( 35 - 4 × 8 ) = 65

72 - 21 ÷ ( 35 - 32 ) = 65

72 - 21 ÷ 3 = 65

72 - 7 = 65

2)

( 27 + 164 ÷ 2 ) - 7 × 8 = 53

( 27 + 82 ) - 56 = 53

109 - 56 = 53

3)

[ ( 408 ÷ 2 + 100 ÷ 2 ) × 4 - 65 × 3 ] × 270 = 219.510

[ ( 202 + 50 ) × 4 - 195 ] × 270 = 219.510

( 252 × 4 - 195 ) × 270 = 219.510

( 1008 - 195 ) × 270 = 219.510

813 × 270 = 219.510

4)

3 × ( 80 ÷ 4 ) + ( 125 ÷ 5 - 5 ) + 404 ÷ 4 = 181

3 × 20 + ( 25 - 5 ) + 101 = 181

60 + 20 + 101 = 181

☆Sper că te-am ajutat! Succes! :))