3 calculați:
27:3:9×3=
146×6:4:3=
15-12:(9+9:3)-6:(3-3:3)-0:3=

Răspuns:
27:3:9x3=9:9x3=1x3=3
146x6:4:3=876:4:3=219:3=73
15-12:(9+9:3)-6:(3-3:3)-0:3
15-12:(9+3)-6:(3-1)-0:3
15-12:12-6:2-0:3
15-1-3-0
14-3-0
11