Ответы
                                            Ответ дал: 
                                                                                    
                                        
                                            
                                                
                                                
                                                
                                                    2
                                                
                                            
                                        
                                    
                                        a) 23+x=39
x=39-23
x=16
————
23+16=39
b) 5•x=40
x=40:5
x=8
————
5•8=40
c) 38:x=2
x=38:2
x=19
————
38:19=2
d) 45-y=34
y=45-34
y=11
————
45-y=34
e) 45+x=98
x=98-45
x=53
—————
45+53=98
                                    
                                        
                                        
                                x=39-23
x=16
————
23+16=39
b) 5•x=40
x=40:5
x=8
————
5•8=40
c) 38:x=2
x=38:2
x=19
————
38:19=2
d) 45-y=34
y=45-34
y=11
————
45-y=34
e) 45+x=98
x=98-45
x=53
—————
45+53=98
                                            Ответ дал: 
                                                                                            
                                                    
                                                
                                                                                    
                                        
                                            
                                                
                                                
                                                
                                                    1
                                                
                                            
                                        
                                    
                                        A)23 + x = 39
X = 39. - 23
X = 16
B) 5 * x = 40
X = 40 / 5
X = 8
C) 38 : x = 2
X = 38 * 2
X = 76
d) 45 - y = 34
Y = 45 - 34
Y = 11
E) 45 + x = 98
X = 98 - 45
X= 53
F) 56 = x + 18
X = 56 - 18
X = 38
G) a + 12 = 56
A = 56 - 12
A = 44
H) x - 24 = 78
X = 78 + 24
X = 102
I) 45 = m - 98
M = 98 - 45
M = 53
j) x - 56 = 16
X = 16 + 56
X = 72
K) 65 - y = 12
Y = 65 - 12
Y = 53
I = a : 4 = 8
A = 8 * 4
A = 32
                                    
                                        
                                        
                                X = 39. - 23
X = 16
B) 5 * x = 40
X = 40 / 5
X = 8
C) 38 : x = 2
X = 38 * 2
X = 76
d) 45 - y = 34
Y = 45 - 34
Y = 11
E) 45 + x = 98
X = 98 - 45
X= 53
F) 56 = x + 18
X = 56 - 18
X = 38
G) a + 12 = 56
A = 56 - 12
A = 44
H) x - 24 = 78
X = 78 + 24
X = 102
I) 45 = m - 98
M = 98 - 45
M = 53
j) x - 56 = 16
X = 16 + 56
X = 72
K) 65 - y = 12
Y = 65 - 12
Y = 53
I = a : 4 = 8
A = 8 * 4
A = 32
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