a) 2\5 + 0,77 = b)15,4 + 3 1\3= c)1,75 - 5\6 = d)3 1\5 - 2,25 = e)8 3\4 + 1,125 = f)6,4 * 5\8 = g) 2\15 * 0,75 = h)2,4 * 1 1\4 = i)2 5\6 : 3,5 = j) 1 3\7 * 0,056 = Mają być rozwiązaniaa prosze
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a) 2\5 + 0,77 = 0,4+0,77= 1,17
b)15,4 + 3 1\3= 154/10 + 10/3 = 462/30 + 100/30= 562/30
c)1,75 - 5\6 = 175/100-5/6=1050/600-500/600=550/600= 11/12
d)3 1\5 - 2,25 =3,2-2,25=1,95
e)8 3\4 + 1,125 =8 3/4 + 9/8= 8 6/8+9/8= 9 7/8
f)6,4 * 5\8 = 64/10 * 5/8= 8/2=4
g) 2\15 * 0,75 =2/15*3/4=1/10
h)2,4 * 1 1\4 =24/10 * 5/4=6/2=3
i)2 5\6 : 3,5 =17/6 :35/10=17/6 * 10/35 = 85/105=15/21
j) 1 3\7 * 0,056 =10/7 * 56/1000=8/100
a- 2\5 + 0,77 = 0,04+0,77= 0,81
b)15,4 + 3 1\3= 154/10 + 10/3 = 462/30 + 100/30= 562/30
c)1,75 - 5\6 = 175/100-5/6=1050/600-500/600=550/600= 11/12
d)3 1\5 - 2,25 =3,2-2,25=1,95
e)8 3\4 + 1,125 =8 3/4 + 9/8= 8 6/8+9/8= 9 7/8
f)6,4 * 5\8 = 64/10 * 5/8= 8/2=4
g) 2\15 * 0,75 =2/15*3/4=1/10
h)2,4 * 1 1\4 =24/10 * 5/4=6/2=3
i)2 5\6 : 3,5 =17/6 :35/10=17/6 * 10/35 = 85/105=15/21
j) 1 3\7 * 0,056 =10/7 * 56/1000=8/100