ROWNANIA
1. Uloz i rozwiaz odpowiednie rownania.
RYSUNKI W ZALACZNIKU
a)
180 : 3 = 60
60 x 2 =120
b)
360 - 210 = 150
150 : 6 = 25
25 x 4 = 100
25 x 2 =50
c)
180 = y + y + 60 + y - 30
180 = 3y + 30 |-30
150 = 3y |:3
50 = y
50 + 60 = 110
50 - 30 = 20
2a+a=180*
3a=180*
a=60*
210*+2b+4b=360*
6b = 150*
b = 25*
y+y+60*+y-30*=180*
3y =150*
y =50*
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a)
180 : 3 = 60
60 x 2 =120
b)
360 - 210 = 150
150 : 6 = 25
25 x 4 = 100
25 x 2 =50
c)
180 = y + y + 60 + y - 30
180 = 3y + 30 |-30
150 = 3y |:3
50 = y
50 + 60 = 110
50 - 30 = 20
2a+a=180*
3a=180*
a=60*
210*+2b+4b=360*
6b = 150*
b = 25*
y+y+60*+y-30*=180*
3y =150*
y =50*