Ответ:
Пошаговое объяснен
1)8* 7/ 10 = 8*7/ 10 = 56/ 10 = 28 * 2 5 * 2 = 28 /5 = 5*5 + 3 /5 = 5 /3 5 = 5.6
2)2* 3/5* 4=2*2 2/5=4* 4/5=4 4/5=4.8
3)2* 2/5 *12=2*10=20
4)2* 3/8*0,32=2* 3/25=6/25=0,24
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Ответ:
Пошаговое объяснен
1)8* 7/ 10 = 8*7/ 10 = 56/ 10 = 28 * 2 5 * 2 = 28 /5 = 5*5 + 3 /5 = 5 /3 5 = 5.6
2)2* 3/5* 4=2*2 2/5=4* 4/5=4 4/5=4.8
3)2* 2/5 *12=2*10=20
4)2* 3/8*0,32=2* 3/25=6/25=0,24