СРОЧНО!1!!!1!
1.выполните действия:
1)3/5 : (4/5-1/2) ;
2)3/8 × (7/12+3/4) ;
2.выполните действия:
1)4 целых 1/8 × 6/11 : 2 целых 1/4 ;
2)1 целая 1/7 × 3/4 : 3/10 ;
Спасибо.​
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