diff --git a/TEMA7/task.md b/TEMA7/task.md
index d188696..caed8f7 100644
--- a/TEMA7/task.md
+++ b/TEMA7/task.md
@@ -7,3 +7,84 @@
 Y=b1+b2*X
 и имеющую аргументы b1, b2 и X.
 # Решение
+1) 
+```py
+def zader(x,T):
+    """Функция задержки сигнала
+    x - исходный сигнал
+    T - задержка"""
+    y=[0]*T+x
+    return y
+
+x=[10,12,14,16]
+zader(x,2)
+[0, 0, 10, 12, 14, 16]
+```
+2) 
+```py
+def mkhist(sel,bins):
+    if bins <= 0:
+	return []
+    sel.sort()
+    shag=(max(sel)-min(sel))/bins
+    kol=[]
+    a=min(sel)
+    b=a+shag
+    for i in range(bins-1):
+        k=0
+        for n in sel:
+            if (n>=a) and (n<b):
+                k+=1
+        kol.append(k)
+        a+=shag
+        b+=shag
+    k=0
+    for n in sel:
+        if (n>=a) and (n<=b):
+            k+=1
+    kol.append(k)
+    return kol
+
+spis
+[1, 2, 3, 4, 5, 6, 7, 8]
+mkhist(spis,3)
+[3, 2, 3]
+
+for i in range(5):
+              spis=[]
+              a=rn.randint(1, 10)
+              b=rn.randint(1, 10)
+              for i in range(100):
+                  spis.append(rn.betavariate(a,a))
+              mkhist(spis,4)
+
+              
+[33, 19, 23, 24]
+[13, 32, 35, 20]
+[14, 37, 37, 12]
+[18, 32, 38, 12]
+[12, 39, 36, 12]
+
+for i in range(5):
+              spis=[]
+              a=rn.randint(1, 10)
+              b=rn.randint(1, 10)
+              for i in range(100):
+                  spis.append(rn.betavariate(a,b))
+              mkhist(spis,4)
+
+              
+[26, 42, 24, 8]
+[64, 25, 10, 1]
+[8, 25, 36, 30]
+[18, 24, 34, 24]
+[34, 41, 22, 3]
+a,b          
+(6, 9)
+```
+3)
+```py
+anon_linregr=lambda b1,b2,x: b1+b2*x
+res=anon_linregr(-3,2,6);res
+9
+```
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