[4-4.(4-4)]=
{7-[{2+4).5]}=
{[18÷by (2-5+9)].2=
{28÷ by (.(-3+5)]}=
{[40+3(1-2).6}=
{300÷ by {50+49÷by 8)][-7-(-9)]}=
{7-[{2+4).5]}=
{[18÷by (2-5+9)].2=
{28÷ by (.(-3+5)]}=
{[40+3(1-2).6}=
{300÷ by {50+49÷by 8)][-7-(-9)]}=
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answer
[4-4.(4-4)] = [4-4.0] = [4-0] = 4
{7-[{2+4).5]} = {7-[6.5]} = {7-30} = -23
{[18÷by (2-5+9)].2} = {[18÷by 6].2} = {3.by.2} = {6.by}
{28÷ by (.(-3+5)]} = {28÷ by 2} = {14.by}
{[40+3(1-2).6]} = {[40+3(-1).6]} = {[40-18]} = 22
{300÷ by {50+49÷by 8)][-7-(-9)]} = {300÷ by (50+6.125)][2} = {300÷ by 56.125}[-14] = {-4.253.by}
explanation:
correct me if I'm wrong