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Exercitiul este 5:Calculeaza regulile invatate


Buna Ma Puteti Ajuta Exercitiul Este 5Calculeaza Regulile Invatate class=

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a) 52+(64-5)×2= 52+59×2=52+118=170

b) 309-3x(100-8)=309-3×92=309-276=33

c)84-120÷(180÷10-6)=84-120÷(18-6)=84-120÷12=84-12=72

d) 102×21×0÷7=2142×0÷7=0÷7=0

e) 52+(6+6)×5=52+36×5=52+180=232

f) 4+4×(4+16)-4÷2=4+4×20-2=4+80-2=84-2=82

g) (5+15)×3-(75+24)÷3=20×3-99÷3=60-33=27

h) 50×3-(25+75)÷5=150-100÷5=150-20=130

i) 400-20+960÷3=380+320=700

î) 8+3×(3+3÷3)=8+3×(3+1)=8+3×4=8+12=20

j) 10+10÷(10×10-90)=10+10÷(100-90)=10+10÷10=10+1=11

k) 127+(4-1)×8÷2=127+3×8÷2=127+24÷2=127+12=139