Составь словосочетания sing songs speak English

А)1ц.1/2-2/3=1ц.3/6-4/6=9/6-4/6=5/6 б)1ц.1/4-1/3=1ц.3/12-4/12=15/12-4/12=11/12 в) 1ц.1/8-1/4=1ц.1/8-2/8=9/8-2/8=7/8 г) 1ц.2/3-5/6=1ц.4/6-5/6=10/6-5/6=5/6 д) 2ц.3/10-4/15=2ц.9/30-8/30=2ц.1/30 е) 3ц.1/4-5/6=3ц.3/12 -10/12=39/12-10/12=29/12=2ц.5/12