Respuesta :

lilyyaaaaaas766
This question is so easy.
7.8+(3.5x6.8)-1.5
=7.8+23.8-1.5
=30.1
KurdishPotato
first multiple 3.5 with w which is 6.8, then collect 7.8 with the result (23.8) and finally substrack 1.5.
to make it easier after multiple write the numbers on end.
Ver imagen KurdishPotato
Q&A Education