Выполните вычитание: 1) 1-4/9 2) 8 8/15 - 4 9/20 3) 4- 3 3/4 4) 9 4/21-4 11/14 5)7 1/10-3 1/6 6)5 5/33 - 4 7/22
258
500
Ответы на вопрос:
1- 4/9=9/9 - 4/9=5/9 8 8/15 - 4 9/20=8 32/60 - 4 27/60=4 5/60=4 1/12 4 - 3 3/4=3 4/4 - 3 3/4=1/4 9 4/21 - 4 11/14=9 8/42 - 4 33/42=8 50/42 - 4 33/42=4 17/42 7 1/10 - 3 1/6=7 3/30 - 3 5/30=6 33/30 - 3 5/30=3 28/30=3 14/15 5 5/33 - 4 7/22=5 10/66 - 4 21/66=4 76/66 - 4 21/66=55/66=5/6
1) 1-4/9=9/9-4/9=5/9 2) 8 8/15 - 4 9/20= 128/15-89/20=512/60-267/60= 245/60= 49/12= 4 1/12 3) 4- 3 3/4=4-15/4=16/4-15/4= 1/4=0,25 4) 9 4/21-4 11/14= 193/21- 67/14= 386/42-201/42=185/42= 4 17/42 5)7 1/10-3 1/6=71/10-19/6= 213/30-95/30= 118/30=59/15=3 14/15 6)5 5/33 - 4 7/22= 170/33-95/22= 340/66-285/66=55/66=5/6
1) I-7,2I-I3,4I= 7,2-3,4= 3,8
2) I-12I*I-8I= 12*8= 96
3) I-5/12I+I3/16I= 5/12 + 3/16= 20/48+9/48= 29/48
4) I-56I:I-0,7I= 56:0,7= 80
1) 245> -246
2) -7,4>-7,8
3) -68<0
4) 0<24,6
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