2/3÷10;4/5÷8;5/6:10;3/7÷12;
2/3:10=15/1=15 4/5:8=10/1=10 5/6:10=12/1=12 3/7:12=4/1=4
1) 2/3÷10= 2/3 * 1/10= 1/6 2) 4/5÷8 = 4/5 * 1/8 = 1/10 = 0,1 3) 5/6÷10 = 5/6 * 1/10 = 1/12 4) 3/7÷12 = 3/7 * 1/12 = 1/28