1) (35.37):3105.24-73:7 2) 15:(35:34)-29:27 3) 5.35:(38:35)-23.5 4) 4[(337:34):1097]-3

Question

1) (3^5.3^7):3^10+5.2^4-7^3:7

2) 15:(3^5:3^4)-2^9:2^7

3) 5.3^5:(3^8:3^5)-2^3.5

4) 4[(3+3^7:3^4):10+97]-300

5) 5[(92+2^5:2^2):5^2+2^6]-7^2

6) 3^2[(5^2-3):11]-2^4+2.10^3

7) 2^2.5[(5^2+2^3):11-2]-3^2.2

haianhtu97 · Answer

a)   (3^5.3^7):3^10+5.2^4-7^3:7   = 3^12 : 3^10 + 5 . 16 - 7^2   = 9 + 80 - 49   = 40   b)   15:(3^5:3^4)-2^9:2^7   = 15 : 3 - 4   = 1   c)   5.3^5:(3^8:3^5)-2^3.5   = 5 . 3^5 : 3^3 - 8 . 5   = 5 . 9 - 40   = 5   d)   4[(3+3^7:3^4):10+97]-300   = 4 . [ ( 3 + 27 ) : 10 + 97 ] - 300   = 4 . ( 30 : 10 + 97 ) - 300   = 4 . 100 - 300   = 100   e)   5[(92+2^5:2^2):5^2+2^6]-7^2   = 5 . [( 92 + 8 ) : 25 + 64 ] - 49   = 5 . ( 100 : 25 + 64 ) - 49   = 5 . 68 - 49   = 291   f)   3^2[(5^2-3):11]-2^4+2.10^3   = 9 . [( 25 - 3 ) : 11 ] - 16 + 2 . 1000   = 9 . ( 22 : 11 ) - 16 + 2000   = 9 . 2 - 16 + 2000   = 2002   g)   2^2.5[(5^2+2^3):11-2]-3^2.2   = 4 . 5 . [( 25 + 8 ) : 11 - 2 ] - 9 . 9   = 20 . ( 33 : 11 - 2 ) - 81   = 20 . 1 - 81   = -61   Pona

1) (3^5.3^7):3^10+5.2^4-7^3:7 2) 15:(3^5:3^4)-2^9:2^7 3) 5.3^5:(3^8:3^5)-2^3.5 4) 4[(3+3^7:3^4):10+97]-3

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