VA ROG FRUMOS 5 SI 7
Răspunsuri la întrebare
Explicație pas cu pas:
5) A) 7*8+6*7-3*7=
=56+42-21=
=98-21=
=77
9+5*6-25:5=
=9+30-5=
=39-5=
=34
B) 7*6-12+7*10=
=42-12+70=
=30+70=
=100
15-15:3+2*5*5=
=15-5+50=
=10+50=
=60
C)400+5*8+72:9-48=
=400+40+8-48=
=400+48-48
=400
300-64:8+6*6-28=
=300-8+36-28=
=308+36-28=
=344-28=
=316
7) A) 2:2+2*2-2=
=1+4-2=
=5-2=
=3
3+3*3+3:3-3=
=3+9+1-3=
=13-3=
=10
4*4-4:4+4=
=16-1+4=
=15+4=
=19
B)5-5:5+5*5=
=5-1+25=
=4+25=
=29
6:6+6*6-6=
=1+36-6
=37-6=
=31
7-7:7+7*7=
=7-1+49=
=6+49=
=55
C)8-8:8+8*8=
=8-1+64=
=7+64=
=71
9:9+9*9-9=
=1+81-9=
=82-9=
=73
10-10:10+10*10=
=10-1+100=
=9+100=
=109
Apropo: semnul * inseamna inmultire
Sper ca te-am ajutat!!!