Ответ:
1)в скобках
(0,87)3+(2,13)3
(0,87)3=0,658503
(2,13)3=9,0738
0,658503+9,0738=9,732303
2)(1/3)*9,732303=3,2441006=3,244
3)3*0,8*2,13=5,112
4)3,244+5,112=8,356
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Ответ:
1)в скобках
(0,87)3+(2,13)3
(0,87)3=0,658503
(2,13)3=9,0738
0,658503+9,0738=9,732303
2)(1/3)*9,732303=3,2441006=3,244
3)3*0,8*2,13=5,112
4)3,244+5,112=8,356