obliczcie tylko pliisssss niech to niebedzie aby wynik
a)2i 1 trzecia+5 szóstych*3 piąte=
b)7-4 piąte:2 i 1 druga=
c)1 i 1 czwarta*1 i 3 piate-(0,6-0,55)=
d)_4_i _1_c_z_w_a_r_t_a_*_2_t_r_z_e_c_i_e_-_1 _c_z_w_a_r_t_a_
4,5*2+0,4*5=
a to ___ to mialo oznaczac ulamek wiec soryy :(
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A) 7/3 + 5/6 * 3/5 = 30/18 = jedna 12/18
B) 7-4/5 : 2 1/2 = 6 1/5 : 2 1/5 = 31/5 * 5/11= 31/11 = 2 9/11
C) 1 1/4 * 1 3/5 - 5/100 = 1 1/4 * 1 59/100 = 5/4 * 159/100 =159/80= 1 79/80
D) 4 1/4 * 2/3 - 1/4 = 2 - 1/4 = 1 3/4
a)2i1/3+5/6*3/5=2i1/3+15/30=2i10/30+15/30=2i25/30=2i 5/6
b)7-4/5:2i1/2=7-4/5*2/5=7-8/25=6i25/25-8/25=6i17/25
c)5/4*8/5-0,05=40/20-0,05=2-0,05=1.95
d)