(9+1)*40=9+1=10*40=400 (2+5)*30=2+5=7*210
(20+40)*6=60*6=360
(50+40)*8=90*8=720
(6+4)*7=10*7=70
(20+30)*8=50*8=400

данил1771    2   24.12.2020 15:38    9