Rozwiąż równania i sprawdź:
a) 2x = 5 b) 15- x = 7 1/3 c) 25: b = 6
d:4 = 5 1/2
4a = 7 m- 1 5/6 = 2 2/3
Rozwiąż równania:
a) 3a + 1 3/4 = 2 1/5 b) 1 2/3 - 5c = 1 1/4 c) 1/2p : 1 3/4 = 8
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a) 2x=5/:2 b) 15-x= 7 1/3 c) 25:b=6
x= 2i1/2 -x= 7 1/3 - 15/*(-1) b= 25:6
2*2 1/2=5 x= 15-7 1/3 b=4 1/6
x=7 2/3
15 - 7 2/3=7 1/3
4a=7
a=7:4
a=1 3/4
4*1 3/4= 4/1* 7/4=28/4=7