a ) 2¾ ÷ 1/7 - 22 ___________ = 6-(-5) b) 6/11-15/45 ___________ = 11/3 -2 ½ 8-½ 2 - ________ = 12+½
a ) 2¾ ÷ 1/7 - 22 ___________ = 6-(-5) b) 6/11-15/45 ___________ = 11/3 -2 ½ 8-½ 2 - ________ = 12+½
a) 2¾ ÷ 1/7 - 22 19,25-22 -2,75 ___________ =________=_______=-0,25 6-(-5) 11 11 b) 6/11-15/45 6/11-1/3 18/33-11/33 7/33 __________ =____________=___________=_______=0,18 11/3-2 ½ 11/3-2 1/2 22/6-15/6 7/6 c) 8-½ 7,5 2 - ________ =2-_____=2-0,6=1,4 12+½ 12,5