Rozwiąż.a)[93-3x(74-56)]:13= b)50-[135-5x(32-7)+10]= c)127-[14+6x11+(78-63)x2]= d.[70-5x(81-69)]:10=
a)[93-3x(74-56)]:13=[93-3 x 18 ] : 13 = [93-54] : 13 = 39 : 13 = 3b)50-[135-5 x (32-7)+10] = 50- [135-5x25+10] = 50-[135-125+10]=50-20=30c)127-[14+6x11+(78-63)x2] = 127- [14+66+15x2] = 127- [80+30] = 127-110 = 17d)[70-5x(81-69)]:10 = [70-5x12]:10 = [70-60]:10 = 10:10 = 1
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a)
[93-3x(74-56)]:13=[93-3 x 18 ] : 13 = [93-54] : 13 = 39 : 13 = 3
b)
50-[135-5 x (32-7)+10] = 50- [135-5x25+10] = 50-[135-125+10]=50-20=30
c)
127-[14+6x11+(78-63)x2] = 127- [14+66+15x2] = 127- [80+30] = 127-110 = 17
d)
[70-5x(81-69)]:10 = [70-5x12]:10 = [70-60]:10 = 10:10 = 1