diff --git a/golang/lab4/lab4.go b/golang/lab4/lab4.go
new file mode 100644
index 00000000..aebc37bf
--- /dev/null
+++ b/golang/lab4/lab4.go
@@ -0,0 +1,34 @@
+package lab4
+
+import (
+	"fmt"
+	"math"
+)
+
+func Calculate(x float64) float64 {
+	if math.Abs(x) >= 1 {
+		return (math.Pow(1.2, x)) - (math.Pow(x, 1.2))
+	}
+	return math.Acos(x)
+}
+
+func TaskA(Xmin, Xmax, Xdel float64) []float64 {
+	var y []float64
+	for x := Xmin; x <= Xmax; x += Xdel {
+		y = append(y, Calculate(x))
+	}
+	return y
+}
+
+func TaskB(x [5]float64) []float64 {
+	var y []float64
+	for _, value := range x {
+		y = append(y, Calculate(value))
+	}
+	return y
+}
+
+func Runlab4() {
+	fmt.Println(TaskA(0.2, 2.2, 0.4))
+	fmt.Println(TaskB([5]float64{0.1, 0.9, 1.2, 1.5, 1.3}))
+}
diff --git a/golang/lab6/lab6.go b/golang/lab6/lab6.go
new file mode 100644
index 00000000..505dfd4f
--- /dev/null
+++ b/golang/lab6/lab6.go
@@ -0,0 +1,30 @@
+package lab6
+
+import "fmt"
+
+type Phone struct {
+	Name   string
+	Op     string
+	Number string
+}
+
+func NewPhone(name, op, number string) *Phone {
+	p := new(Phone)
+	p.Name = name
+	p.Op = op
+	p.Number = number
+	return p
+}
+
+func (p *Phone) SetNumber(number string) { p.Number = number }
+func (p Phone) GetNumber() string        { return p.Number }
+func (p Phone) GetOp() string            { return p.Op }
+func (p Phone) GetName() string          { return p.Name }
+
+func Runlab6() {
+	phone := NewPhone("Влад", "Билайн", "89621658549")
+	phone.SetNumber("89012863969")
+	fmt.Println("Имя владельца:", phone.GetName())
+	fmt.Println("Оператор сотовой связи:", phone.GetOp())
+	fmt.Println("Номер телефона пользователя:", phone.GetNumber())
+}
diff --git a/golang/lab7/headphones.go b/golang/lab7/headphones.go
new file mode 100644
index 00000000..50d6b5b0
--- /dev/null
+++ b/golang/lab7/headphones.go
@@ -0,0 +1,26 @@
+package lab7
+
+import "fmt"
+
+type Headphones struct {
+	Name        string
+	Color       string
+	Price       float64
+	ReleaseDate string
+}
+
+func (h *Headphones) ApplyDiscount(discount float64) {
+	h.Price = h.Price * (1 - discount/100)
+}
+func (h *Headphones) GetPrice() float64 {
+	return h.Price
+}
+func (h *Headphones) SetPrice(newPrice float64) {
+	h.Price = newPrice
+}
+func (h *Headphones) ChangeColor(newColor string) {
+	h.Color = newColor
+}
+func (h *Headphones) getInfo() string {
+	return fmt.Sprintf("Name: %s, Color: %s, Price: %.2f,ReleaseDate: %s", h.Name, h.Color, h.Price, h.ReleaseDate)
+}
diff --git a/golang/lab7/lab7.go b/golang/lab7/lab7.go
new file mode 100644
index 00000000..4f68b702
--- /dev/null
+++ b/golang/lab7/lab7.go
@@ -0,0 +1,39 @@
+package lab7
+
+import "fmt"
+
+type Product interface {
+	ApplyDiscount(discount float64)
+	SetPrice(newPrice float64)
+	GetPrice() float64
+	getInfo() string
+}
+
+func GetTotalPrice(products []Product) float64 {
+	var TotalPrice float64 = 0
+	for _, Product := range products {
+		TotalPrice += Product.GetPrice()
+	}
+	return TotalPrice
+}
+
+func Runlab7() {
+	Product1 := &Phones{"iPhone 13", "128gb blue", 50000.0, "13 октября 2020 года"}
+	Product2 := &Headphones{"Marshall Major IV", "Black", 7200.0, "14 октября 2020 года"}
+	Product3 := &Laptop{"Huawei matepad 16", 1024, 130000.0, "AMD Ryzen 7 7840U"}
+	ProductsWithoutDiscount := []Product{Product1, Product2, Product3}
+	fmt.Printf("Цена без скидки: %2.f рублей\n", GetTotalPrice(ProductsWithoutDiscount))
+	Product1.ApplyDiscount(5)
+	Product2.ApplyDiscount(20)
+	Product3.ApplyDiscount(25)
+	fmt.Printf("Цена со скидкой: %2.f рублей\n", GetTotalPrice(ProductsWithoutDiscount))
+	fmt.Println(Product1.getInfo())
+	fmt.Println(Product2.getInfo())
+	fmt.Println(Product3.getInfo())
+	Product1.UpdateCharacteristics("256gb red")
+	fmt.Println(Product1.getInfo())
+	Product2.ChangeColor("Brown")
+	fmt.Println(Product2.getInfo())
+	Product3.ChangeCPU("i5 13500H")
+	fmt.Println(Product3.getInfo())
+}
diff --git a/golang/lab7/laptop.go b/golang/lab7/laptop.go
new file mode 100644
index 00000000..e677c153
--- /dev/null
+++ b/golang/lab7/laptop.go
@@ -0,0 +1,29 @@
+package lab7
+
+import "fmt"
+
+type Laptop struct {
+	Name  string
+	GB    float64
+	Price float64
+	CPU   string
+}
+
+func (l *Laptop) ApplyDiscount(discount float64) {
+	l.Price = l.Price * (1 - discount/100)
+}
+
+func (l *Laptop) GetPrice() float64 {
+	return l.Price
+}
+func (l *Laptop) SetPrice(newPrice float64) {
+	l.Price = newPrice
+}
+
+func (l *Laptop) ChangeCPU(newCPU string) {
+	l.CPU = newCPU
+}
+
+func (l *Laptop) getInfo() string {
+	return fmt.Sprintf("Name: %s, GB: %.2f , Price: %.2f,CPU: %s", l.Name, l.GB, l.Price, l.CPU)
+}
diff --git a/golang/lab7/phone.go b/golang/lab7/phone.go
new file mode 100644
index 00000000..af375703
--- /dev/null
+++ b/golang/lab7/phone.go
@@ -0,0 +1,26 @@
+package lab7
+
+import "fmt"
+
+type Phones struct {
+	Name            string
+	Characteristics string
+	Price           float64
+	ReleaseDate     string
+}
+
+func (p *Phones) ApplyDiscount(discount float64) {
+	p.Price = p.Price * (1 - discount/100)
+}
+func (p *Phones) GetPrice() float64 {
+	return p.Price
+}
+func (p *Phones) SetPrice(newPrice float64) {
+	p.Price = newPrice
+}
+func (p *Phones) UpdateCharacteristics(newCharacteristics string) {
+	p.Characteristics = newCharacteristics
+}
+func (p *Phones) getInfo() string {
+	return fmt.Sprintf("Name: %s, Characteristics: %s, Price: %.2f,ReleaseDate: %s", p.Name, p.Characteristics, p.Price, p.ReleaseDate)
+}
diff --git a/golang/main.go b/golang/main.go
index 792a1dbc..91358159 100644
--- a/golang/main.go
+++ b/golang/main.go
@@ -1,7 +1,16 @@
 package main
 
-import "fmt"
+import (
+	"fmt"
+
+	lab4 "isuct.ru/informatics2022/lab4"
+	lab6 "isuct.ru/informatics2022/lab6"
+	lab7 "isuct.ru/informatics2022/lab7"
+)
 
 func main() {
-	fmt.Println("Гретченко Владислав")
+	fmt.Println("Гретченко Владислав Игоревич")
+	lab4.Runlab4()
+	lab6.Runlab6()
+	lab7.Runlab7()
 }