Pomóżcie mam to na jutro:
0,1*4,5+0,5:0,1+4=
0,2*1/2:(2,5+1/4)=
1.9,45
2.w przybliżeniu 0,036
0,1 * 4,5 + 0,5 : 0,1 + 4 = 1/10 * 4 5/10 + 5/10 : 1/10 + 4 = 1/10 * 45/10 + 5/10 * 10/1 + 4 = =9/20 + 5 + 4 = 9 9/20 = 9,45
0,2 * 1/2 : (2,5 + 1/4) = 2/10 * 1/2 : (2,5 + 1/4) = 2/20 : (2 5/10 + 1/4) = 2/10 : (25/10 + 1/4) = 2/10 : (50/20 + 5/20) = 2/10 * 20/55 = 4/55
chyba dobrze :)
bedzie naaaj?? ;)
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1.9,45
2.w przybliżeniu 0,036
0,1 * 4,5 + 0,5 : 0,1 + 4 = 1/10 * 4 5/10 + 5/10 : 1/10 + 4 = 1/10 * 45/10 + 5/10 * 10/1 + 4 = =9/20 + 5 + 4 = 9 9/20 = 9,45
0,2 * 1/2 : (2,5 + 1/4) = 2/10 * 1/2 : (2,5 + 1/4) = 2/20 : (2 5/10 + 1/4) = 2/10 : (25/10 + 1/4) = 2/10 : (50/20 + 5/20) = 2/10 * 20/55 = 4/55
chyba dobrze :)
bedzie naaaj?? ;)