Știu ca sunt multe exerciții dar dau și 100 de puncte.
Dau coroana!!
Răspunsuri la întrebare
Explicație pas cu pas:
f. (2688:56:6+492):100+(1792:28:8)=
(48:6+492):100+(1792:28:8)=
(8+492):100+(1792:28:8)=
500:100+(64:8)
5+8=13
g. 9000-[(147×15+98×63)-1344:56]=
9000-[(2205+6274)-24]=
9000-[(8479)-24]=
9000-(8479-24)=
9000-(8455)=
9000-8455=
545
h. (3375:15+525:15)×[100-(633-7995:15)]=
(225+525:15)×[100-(633-7995:15)]=
(225+35)×[100-(633-7995:15)]=
(260)×[100-(633-7995:15)]=
279×[100-(633-533)]=
279×[100-(100)]=
279×(100-100)=
279×0=
0
i. 3000-[(3848:74+23×12):8]-(125×14:10)=
3000-[(52+23×12):8]-(125×14:10)=
3000-[(52+276):8]-(125×14:10)=
3000-[(328):8]-(125×14:10)=
3000-(328:8)-(125×14:10)=
3000-(41)-(125×14:10)=
3000-41-(1750:10)=
3000-41-(175)=
2959-175=
2789
j. [3416:14+(1305-387):18]+1000:(87+13)×25=
[3416:14+(918):18]+1000:(100)×25=
(3416:14+918:18)+1000:100×25=
(244+51)+1000:100×25=
(295)+1000:100×25=
295+10×25=
295+250=
545
Sper că te-am ajutat !