Question

Calculati.Vreau cu rezolvare .Dau coroana.[4000-38*(1+2*3+4*5+6*7)]:2-36*19

Answer 1

[4000-38*(1+6+20+42)]:2-684=
=(4000-38*69):2-684=
=(4000-2622):2-684=
=1378:2-684=
=689-684=
=5.

Answer 2

[ 4000-38 *'-[1 +2 *3 +4 * 5 + 6*7 ]/2 -36 *19
3962 *1 +6 +20 +42 / 2 -36 * 19
3962 * 69 /2 -36 *19 =
273378 /2 -684 =
136689- 684 =
136005