Efetue as multiplicações,se posível efetue os cancelamentos antes de multiplicar: a) 11/250x2/3x500/11 , b)3/71x142/7x7/9 c) 600/7x7/1200x2/3 , d) 4/15x18/16x5/7 Me ajudem por favor :/
a) 11/250x2/3x500/11
11/125/3x500/11
125/3x500
125/1500
25/300
5/60
1/12
b) 3/71x142/7x7/9
3/1x2/7x7/9
3/1x2/1/9
3/2/9
3/2 x 1/9
3/18
1/6
c)600/7x7/1200x2/3
600/1/1200x2/3
600/1/600x1/3
1/1/1x1/3
1/3
d)4/15x18/16x5/7
4/5x6/16x5/7
4/5x3/8x5/7
12/40 x 5/7
6/20 x 5/7
3/10 x 5/7
15/70
3/14
