Biologie
dianatinei
2020-11-21 20:15:15
calculeaza respectand ordinea operatiilor: 7+8+(23×3-45)-6=_______; 72 ×5-(276-8×9)-6=; 279-179+(50+25×3)-25=; 5×(24×2-40+10)+2000=;(238×4-181)-(252-198)=______;
Răspunsuri la întrebare
12131234
2020-11-21 22:01:08

1)7+8+(69-45)-6=33 2)150 3)200 4)2090 5)717

Azula
2020-11-21 22:02:23

7+8+(23x3-45)-6= 15+(69-45)-6= 15+24-6=39-6=33 72x5-(276-8x9)-6= 360-(276-72)-6= 360-204-6=156-6=150 279-179+(50+25x3)-25= 100+(50+75)-25= 100+125-25=225-25=200 5x(24x2-40+10)+2000= 5x(48-40+10)+2000= 5x18+2000= 90+2000=2090 (238x4-181)-(252-198)= (952-181)-54=771-54=717

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