Знайдіть значення виразу (6 клас)!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 1)12:3 3/8-1 1/4:15/32 2)1 31/35:(2-8/9:1 19/45) 3)(1 1/35:4/5-1 8/35)*3 1/3 4)(7-1 5/9:7/24):20/27

1)12:3 3/8-1 ц1/4:15/32=8/91) 12÷3ц3/8=12/1÷3ц3/8=12/1÷3 · 8 + 3 / 8=12/1÷27/8=12/1·8/27=12 · 8 / 1 · 27=96/27=32*3 / 9*3=32/9=3ц5/92)1ц1/4÷15/32=1 · 4 + 1/4÷15/32=5/4÷15/32=5/4·32/15=5 · 32/4 · 15=160/60=8 · 20/3 · 20=8/3=2ц2/33)3ц5/9-2ц2/3=3ц5/9-2ц6/9=2ц14/9-2ц6/9=8/92)1 31/35:(2-8/9:1ц19/45)=143/2801)8/9:1ц19/45=8/9*45/64=360/576=5/82)2-5/8=16/8−5/8=11/8=1ц3/83)1ц 31/35:1ц3/8=66/35−11/8=528/280−385/280=143/2803)(1 1/35:4/5-1 8/35)*3 1/3=3ц31/631) 1ц 1/35:4/5=1ц2/72) 1ц2/7-1ц8/35=1ц2/433) 1ц2/43*3ц1/3=3ц31/634)(7-1 5/9:7/24):20/27 =2ц1/41)1ц 5/9:7/24=5ц1/32) 7-5ц1/3=1ц2/33) 1ц2/3:20/27 =2ц1/4