Galinka23

Verified answer

1/3  -  1/4 =(1 × 4  -  1 × 3)/12 = 4/12  -  3/12 =  1/12
3 2/7  ×  7/23 = 23/7  ×  7/23 =161/16 = 1
2 1/5+1=11/5  +  1 =(11 × 1  +  1 × 5)/5 = 11/5  +  5/5 =  16/5 = 3 1/5
1/12  ×  24 = 2
3 1/5  ×  5/16 = 16/5  ×  5/16 = 80/80 =  1
2-1=1
ответ: 1

Magnitogorskru

Verified answer

(1/3-1/4)*24-(2 1/5+3 2/7*7/23)*5/16;1)1/3-1/4=4/12-3/12=1/12;////2)23/7*7/23=1;///3)2 1/5+1=3 1/5;///4)1/12*24/1=2;///5)3 1/5*5/16=16/5*5/16=1;///6)2-1=1;///ОТВЕТ:1