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Bibika3
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stiind ca :a=(6+3:3-5):2 b=5-4:(8-6:1)= c=(7+9:4-3×(8-2×4) calculeaza 5×a-b:3+c:2=

Răspuns :

Needhelp112

a=(6+3:3-5):2 = (6+1-5):2 = 2:2 = 1
b=5-4:(8-6:1)= 5-4:(8-6) = 5-4:2 = 5-2 = 3
c=(7+9):4-3×(8-2×4) = 16:4 - 3x(8-8) = 4 - 3x0 = 4

5xa-b:3+c:2 =5x1-3:3+4:2 = 5-1+2 = 6
 

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