Question

Calculați.

a) 0,1×{[0,01×100+(4-1,2:0,1)]:5,2+100×0,01}
2
b) {2,2:[0,2+0,0 (2):0, (02)]-0, (6) }:1, (5)

c) [1,2(6)+3, (6)-3,5]:0,4 (3)
3
d) {9,21-[(7,4-4,25-1,05):5,25] 100-
5
1,8} ×10-1

2
e) (2,3×10 +1,5×10):100+(1,3×2,3+0,7×1,4):10

Answer 1

0,1*{[1+(4-12)]:5,2+1}*2
= 0.1* { [1-8 ] :5,2+1}*2
=0.1* { -7 :5,2+1}*2
(Calculeaza si tu pe telefon :) ;) )