3,2 x 6,8 + 20,28 x 2,6
= 21.76 + 52.728
= 74.488
6,32 : 0,5- 2,08 x 1,3
= 12.64 - 2.704
= 9.936
\(\text{3,2 x 6,8 + 20,28 x 2,6 = 21,76 + 52,728}\)
= 74,488
\(\text{6,32 : 0,5- 2,08 x 1,3 = 12,64 - 2,704}\)
=9,936
`3,2×6,8+20,28:2,6`
`=21,76+7,8`
`=29,56`
`6,32xx2-2,08xx1,3`
`=12,64-2,704`
`=9,936`