Victoria a tricotat un fular in 4 zile,in total,240 de randuri.IN prima zi a tricotat 1 supra 6,a doua zi 3 supra opt,iar a treia zi 2 supra 8 din fular.Cate randuri a tricotat Victoria in ziua a patra ?
1/6x240=40(randuri a tricotat in prima zi) 3/8x240=90(randuri a tricotat in a doua zi) 2/8x240=60(randuri a tricotat in a treia zi) 240-(40+90+60)=240-190 =50(raduri a tricotat in a patra zi)
