Odpowiedź:
a) 0,6 - 3/5 × ( 1 - 1/3 ) =
= 6/10 - 3/5 × 2/3 =
= 6/10 - 6/15 =
= 18/30 - 12/30 = 6/30 = 1/5
b) 2,25 × 3 1/5 - 1 3/10 =
= 2 25/100 × 3 1/5 - 1 3/10=
= 2 1/4 × 3 1/5 - 1 3/10=
= 9/4 × 16//5 - 1 3/10 =
= 36/5 - 1 3/10 =
= 36/5 - 13/10 =
= 72/10 - 13/10 =
= 59/10 = 5 9/10
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Odpowiedź:
a) 0,6 - 3/5 × ( 1 - 1/3 ) =
= 6/10 - 3/5 × 2/3 =
= 6/10 - 6/15 =
= 18/30 - 12/30 = 6/30 = 1/5
b) 2,25 × 3 1/5 - 1 3/10 =
= 2 25/100 × 3 1/5 - 1 3/10=
= 2 1/4 × 3 1/5 - 1 3/10=
= 9/4 × 16//5 - 1 3/10 =
= 36/5 - 1 3/10 =
= 36/5 - 13/10 =
= 72/10 - 13/10 =
= 59/10 = 5 9/10