Răspuns :
a) 9*9-6*6+42:6=81-36+7= 52
7*9-7*9*0-0:5= 63-63*0-0= 63
b) 80-32:4:1*1+2*2*10*0+78= 80-8+0+78= 72+78=150
29+6+2*2-81:9-37= 29+6+4-9-37= -7
7*9-7*9*0-0:5= 63-63*0-0= 63
b) 80-32:4:1*1+2*2*10*0+78= 80-8+0+78= 72+78=150
29+6+2*2-81:9-37= 29+6+4-9-37= -7