Сравните значения выражений : 2/43×10ц3/4 и 5ц1/7÷2ц4/7; 9ц1/2×1/19 и3ц1/6÷6ц1/3;
1)2/43х10 3/4<5 1/7:2 4/7<br> 2/43 x43/4<36/7:18/7<br> 1/2< 36/7x7/18 1/2<2/1<br>2)9 1/2x1/19>3 1/6:6 1/3 19/1x1/19>19/6:19/3 1>19/6x3/19 1>1/2