Question

EXERCITII MATEMATICA

Answer 1

a)

420-99:3+(79-54)×6=

420-33+25×6=

420-33+150=

387+150=

537

b)

1200-(24×7+96:4-150:3)×8=

1200-(168+24-50)×8=

1200-142×8=

1200-1136=

64

c)

7×14:2+88:(19-3×5)=

7×14:2+88:(19-15)=

7×14:2+88:4=

98:2+88:4=

49+22=

71

d)

(8×43+9×12-7×36)-(19+714:7-12×5)=

344+9×12-7×36-(19+102-60)=

344+9×12-7×36-61=

344+108-252-61=

452-191=

139

e)

90-90:9+90×9=

90-10+810=

80+810=

890

f)

734-212:2-(740:5-9×13)×3=

734-212:2-(148-117)×3=

734-212:2-31×3=

734-106-93=

628-93=

535

g)

(512+488):10-(981:9-48:6+56:8):3=

1000:10-(109-8+7):3=

1000:10-108:3=

100-36=

64

h)

(832:4+612:3-82×3)×2=

(208+204-246)×2=

166×2=

332

i)

(425-6×15):5+218×3-(424-316):6=

(425-90):5+218×3-(424-316):6=

335:5+218×3-(424-316):6=

335:5+218×3-108:6=

67+654-18=

721-18=

703

Answer 2

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