Question

先约分，再化成整数或带分数． 30 5 = 70 32 = 75 40 = 169 13

先约分，再化成整数或带分数． 30 5 = 70 32 = 75 40 = 169 13 = 80 48 =

Answer 1

30 5 =6， 70 32 = 35 16 =2 3 16 ， 75 40 = 15 8 =1 7 8 ， 169 13 =13， 80 48 = 5 3 =1 2 3 ．