a, 62 : 4 . 3 + 2 . 52
= 36 : 4 . 3 + 2 . 25
= 9 . 3 + 2 . 25
= 27 + 50
= 77
b, 2 ( 5 . 42 - 18 )
= 2 ( 5 . 16 - 18 )
= 2 ( 80 - 18 )
= 2 . 62
= 124
a) 62 : 4 . 3 + 2 . 52
= 36 : 4 . 3 + 2 . 25
= 9 . 3 + 50
= 27 + 50
= 77
b) 2(5 . 42 - 18)
= 2(5.16 - 18)
= 2(80 - 18)
= 2 . 62
= 124
a) 62 : 4 + 2.52
= 36 : 4 + 2. 25
= 9 + 50 =59
b) 2. (5 .42 - 18)
= 2. (5. 16 -18)
= 2. ( 80-18)
= 2. 62
=124
a) \(6^2:4.3+2.5^2\)
\(=36:4.3+2.25\)
= \(9.3+2.25\)
\(=27+50=77\)
b) \(2\left(5.4^2-18\right)\)
\(=2\left(5.16-18\right)\)
\(=2.\left(80-18\right)\)
\(=2.62=124\)
a, 62 : 4 . 3 + 2 . 52
= 36 : 4 . 3 + 2 . 25
= 9 . 3 + 2 . 25
= 27 + 50
= 77
b, 2 ( 5 . 42 - 18 )
= 2 ( 5 . 16 - 18 )
= 2 ( 80 - 18 )
= 2 . 62
= 124
