Răspuns :
a)
40-(9+8)+109=40-17+109=27+109=136
(66+147)+10=213+10=223
b)
9x6+(831-80)=54+751=755
7x6+9+32=42+41+83
Coroana?
40-(9+8)+109=40-17+109=27+109=136
(66+147)+10=213+10=223
b)
9x6+(831-80)=54+751=755
7x6+9+32=42+41+83
Coroana?
Răspuns:
a) 5*8-(9*0+64:8)+109=
=40-(0+8)+109
=40-8+109
32+109=141
(6*11+147)+50:5=
=(66+147)+10
=213+10=223
b) 81:9*6+(831-8*10)=
=9*6+(831-80)
=54+751
=805
(77-69)*6+45:5+4*8=
=8*6+9+32
=48+9+32
=89