a fost răspuns

d) (247 + 743): 45 + 4x (276 - 197) =
e) 9x (17 x4 + 27) - (105 + 75 +65) : 5 =
O(1 500 + 27 x (639: 9) - (536: 8)]: 10 =
9) [(63 + 19 x 24):3+ 464:4-11 x 11] x 25
h) 160 - 4x[15 + 5x (265 - 4 x 65)] =
i) (243 x 15:27 +26 664 : 24): (900 : 36 - 23) =
j) [(1 473-589 + 2 907 - 3 247): 32 + (61 x 35 - 55 x 35) ] x 100
k) [(311 + 114 - 100): 5+ (70 + 84 x 5:4)] -230 =
1) 2 099 +1-(109 + 1 - 672: 7) *4 +6: 6 =
m) [187 - (366:6+3): 8] 3 - 500 +625 : 5 =
n) 113 x 4 + [136 x 75 - (324:4:9x3+45) + 246 - 123:31
0) [142 x 5 - (1 122: 11 - 707 : 7) x 125]: 15:3:=​

Răspuns :

(247+743):45+4×(276-197)=

=990:45+4×79

=22+316

=338

9x (17 x4 + 27) - (105 + 75 +65) : 5=

9×(68+27)-(180+65):5

9×95-845:5

855-169

686

Alex7635ask

Răspuns:

d) (247+743):45+4×(276-197)=

990:45+4×79=

22+316=

338.

e) 9×(17×4+27)-(105+65):5=

9×(68+27)-245:5=

9×95-49=

855-49=

806.

O) [1500+27×(639:9)-(536:8)]:10=

1500+27×71-67:10=

1500+1917-6,7=

3410,3.

9) [(63+19×24):3+464:4-11×11]×25=

[(63+456):3+116-121]×25=

(519:3+116-121)×25=

(173+116-121)×25=

168×25=

4200.

h) 160-4×[15+5×(265-4×65)]=

160-4[15+5×(265-260)]=

160-4×(15+5×5)=

160-4(15+25)=

160-4×40=

160-160=

0.

i) (243×15:27+26664:24):(900:36-23)=

(135+1111):(25-23)=

1246:2=

623.

j) [(1473-589+2907-3247):32+(61×35-55×35)]×100=

[544:32+(61×35-55×35)]×100=

{544:32+[35×(61-55)]}×100=

[17+(35×6)]×100=

(17+210)×100=

227×100=

22700.

k) [(311+114-100):5+(70+84×5:4)]-230=

[325:5+(70+105)]-230=

(65+175)-230=

240-230=

10.

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