oblicz pamiętając o kolejności wykonywania działań
2,5 + 2 3/4 * 6/11 =
145 1/2 - 4,2 : 0,03 =
( 4,6 + 2 4/5 ) * ( 1 3/5 - 0,7 ) =
3 1/8 -3 1/4 : 5 1/5 =
6,03 : 0,3 + 1,8 * 2,5 =
2 1/5 * 3 +7,8 =
12 1/2 - 5,05 : 0,5 =
1 1/4 : 3 1/3 * 5/9 =
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145 1/2 - 144=1 1/2
(4 6/10 + 2 8/10) ( 1 6/10 - 7/10) = (64/10 + 28/10) (16/10 - 7/10)= 74/10 * 9/10 = 666/10 = 66,6
3 1/8- (13/4* 9/26)= 3 1/8 - 1= 2 1/8
6 3/100* 3/10 + 1 8/10 * 2 5/10= 603/100 * 10/3+ 18/10 * 25/10= 6030/300 + 450/100=6030/300 + 1350/300 = 7380/300=24,6
11/5 * 3/1 + 7,8= 33/5 +7,8= 6,6+7,8= 14,4
12 1/2 - 10,1 = 12,5-10,1=2,4
5/4 * 3/10 * 5/9=15/40 * 5/9= 75/360= 15/72