a) \(3.2^4+2^2.3^2-50\)
\(=3.16+4.9-50\)
\(=48+36-50\)
\(=34\)
b) \(4.5^2-3.2^3+3^2.3^2\)
\(=4.25-3.8+9.9\)
\(=100-24+81\)
\(=157\)
c) \(\left(11+159\right).37+\left(185-31\right):14\)
\(=170.37+154:14\)
\(=6290+11\)
\(=6301\)
d) \(3280-\left(3^2.7^3-2^3.49\right)\)
\(=3280-\left(9.343-8.49\right)\)
\(=3280-\left(3087-392\right)\)
\(=3280-3087+392\)
\(=585\)
a) 3.24 + 22.32 - 50
= 3.16 + 62 - 50
= 48 + 36 - 50
= 84 - 50
= 34
b) 4.52 - 3.23 + 33.32
= 4.25 - 3.8 + 35
= 100 - 24 + 243
= 76 + 243
= 319
c) ( 11 + 159).37 + (185 - 31) : 14
= 170 . 37 + 154 : 14
= 6290 + 11
= 6301
d) 3280 - (32.73 - 23.49)
= 3280 - ( 3087 - 392)
= 3280 - 2695
= 585
