Răspuns :
a) 8x10:(40-36)+287=
=80:4+287
=20+287
=307
b) 543-(20:10+24:3)x2=
=543-(2+8)x2
=543-10x2
=543-20
=523
=80:4+287
=20+287
=307
b) 543-(20:10+24:3)x2=
=543-(2+8)x2
=543-10x2
=543-20
=523
A ) 8x10 : (40-36) +287=
= 80 : 4+287=
= 20 +287=
= 307
B) 543-( 20:10+24:3) x2=
= 543- (2+8) x2=
= 543-10x2=
= 543- 20=
= 523
= 80 : 4+287=
= 20 +287=
= 307
B) 543-( 20:10+24:3) x2=
= 543- (2+8) x2=
= 543-10x2=
= 543- 20=
= 523