66-6+7+23-18-2=(66-6)+(7+23)-(18-2)
=60+30+16
=106
66 - 6 + 7 + 23 - 18 + 2
= 60 + 30 - 20
= 90 - 20
= 70
66 - 6 + 7 + 23 - 18 + 2
= ( 66 - 6 ) + ( 7 + 23 ) - ( 18 + 2 )
= 11 + 20 - 20
= 31 - 20
= 11
~ Chúc bạn học giỏi ! ~
phạm quang thanh
66-6+7+23-18+2
=(66-6)+(7+23)-(18+2)
=60+30-20
=90-20
=70
hok tốt !
66 - 6 + 7 + 23 - 18 + 2
= ( 66 - 6 ) + ( 7 + 23 ) - ( 18 + 2 )
= ( 60 + 30 ) - 20
= 90 - 20
= 70
\(66-6+7+23-18+2\)
\(=60+30-20\)
\(=90-20\)
\(=70\)
66 - 6 + 7 + 23 - 18 - 2
= ( 66 - 6 ) + ( 7 + 23 ) + ( 18 - 2 )
= 60 + 30 + 16
= 90 + 16
= 106
66-6+7+23-18+2
=(66-6)+(7+23)-(18+2)
=60+30-20
=90-20
=70
66 - 6 + 7 + 23 - 18 + 2
(66-6) +(7 +23)-(18 + 2)
= 60 + 30 - 20
= 90 - 20
=70
66 - 6 + 7 + 23 - 18 + 2
= 60 + 7 + 23 - 18 + 2
= 67 + 23 - 18 + 2
= 90 - 18 + 2
= 72 + 2
= 74
66 - 6 + 7 + 23 - 18 + 2
= ( 66 - 6 ) + ( 7 + 23 ) - ( 18 + 2 )
= 60 + 30 - 20
= 90 - 20
= 70