( 7 - 4 4/5) * ( 17 3/5 + 12,4 ) = .....
0,232 : 0,4 * 100 = .....
12000 + 6 2/5 * 5 5/8 = ....
( 500,15 + 9 ) : 0,01 = ....
330 + 1 3/5 * 60 = ....
3,6 * 60 - 1,3 * 20 = ....
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(7 - 4 4/5) x (17 3/5 + 12,4)=(35/5 - 24/5) x (17 6/10 + 12 4/10)=11/5 x 30=66
0,232 : 0,4 x 100= 232/1000 x 10/4 x 100 = 232/4 = 58
12000 + 6 2/5 x 5 5/8 = 12000 + 32/5 x 45/8 = 12000 + 36 = 12036
(500,15 +9) : 0,01= 509 15/100 : 1/100= 50915/100 x 100/1 = 50915
330 + 1 3/5 x 60 = 330 + 8/5 x 60= 330 + 96 = 426
3,6 x 60 - 1,3 x 20 = 36/10 x 60 - 13/10 x 20 = 216 - 26 = 190
(6 10/10-4 4/5)*(17 3/5+12 4/10)=(6 10/10-4 8/10)*(17 6/10+12 4/10)=2 2/10*29 10/10=2,5*30=75
0,232:0,4*100=0,58*100=58
12000+32/5*45/8=12000+9=12009
(500,15+9):0,01=509,15:0,01=50915
330+8/5*60=330+96=426
3,6*60-1,3*20=216-26=190
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