Question

(80×7-360:4+20×1):7-700:100+1

Answer 1

(560-90+20):7-7+1=
(470+20):7-7+1=
490:7-7+1=
70-7+1=64

Answer 2

(80×7-360:4+20×1):7-700:100+1=
=(560-90+20):7-7+1
=(470+20):7-7+1
=490:7-7+1
=70-7+1
=63+1
=64
Sper ca te-am ajutat!