oblicz a) 20*(16 3/8-5 3/5) b) 16 3/4 - 5 2/3*1/2
a/ = 20 * (16 15/40 - 5 24/40) = 20 * 10 31/40 = 20 * 310/40 = 6200/40 = 155
b/ = 16 3/4 - 17/3 * 1/2 = 16 3/4 - 17/6 = 16 3/4 - 2 5/6 = 16 9/12 - 2 10/12
= 13 11/12
a)
=20*(131/8-28/5)=
=20*(15 55/40-5 24/40)=
20*10 31/40=
20/1*431/40=
215 1/2
b)
=16 3/4 -17/3*1/2=
16 3/4 -17/6=
67/4-17/6=
21/12-34/12=
13 11/12
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a/ = 20 * (16 15/40 - 5 24/40) = 20 * 10 31/40 = 20 * 310/40 = 6200/40 = 155
b/ = 16 3/4 - 17/3 * 1/2 = 16 3/4 - 17/6 = 16 3/4 - 2 5/6 = 16 9/12 - 2 10/12
= 13 11/12
a)
=20*(131/8-28/5)=
=20*(15 55/40-5 24/40)=
20*10 31/40=
20/1*431/40=
215 1/2
b)
=16 3/4 -17/3*1/2=
16 3/4 -17/6=
67/4-17/6=
21/12-34/12=
13 11/12