Oblicz :
0,15 + 7 5/8 =
2 3/5 + 4 5/8 =
40 - 4/5 - 0,32 =
4,7 - 1 5/6 =
1 2/3 * 0,12 =
8,75 * 4 6/7 =
0,13 : 5 5/12 =
4 4/5 : 1 23 /25 =
24,2 - 402 * (3,35 + 1,65) =
4 4/5 : 1,6 * 1 7/8 - 1 5/8 + 2,25 =
4 4/5 To jest cztery całe i cztery piąte ;)
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Proszę rozpisać , a nie same wyniki !!!!!!
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0,15 + 7 5/8 = 0,15 + 7,625 = 7,775
2 3/5 + 4 5/8 = 2 24/40 + 4 25/40 = 6 49/40 = 7 9/40
40 - 4/5 - 0,32 = 40 - 8/100 - 0,32 = 40 - 0,08 - 0,32 = 39,92 - 0,32 = 39,6
4,7 - 1 5/6 = 4 7/10 - 1 5/6 = 4 42/60 - 1 50/60 = 3 102/60 - 1 50/60 = 2 32/60
= 2 13/15
1 2/3 x 0,12 = 1 2/3 x 12/100 = 5/3 x 12/100 = 4/20 = 1/5
8,75 x 4 6/7 = 8 3/4 x 4 6/7 = 35/4 x 34/7 = 85/2 = 42 1/2
0,13 : 5 5/12 = 13/100 : 65/12 = 13/100 x 12/65 = 3/125
4 4/5 : 1 23/25 = 24/5 : 48/25 = 24/5 x 25/48 = 5/2 = 2 1/2
4 4/5 : 1,6 x 1 7/8 - 1 5/8 + 2,25 = 4,8 : 1,6 x 1,875 - 1,625 + 2,25 = 3 x 1,875 -
- 1,625 + 2,25 = 5,625 - 1,625 + 2,25 = 4 + 2,25 = 6,25