-3,2 . -15/64 + (0,8-2 2/15) : 3 2/3 0,05 . 60% + (2 1/3 – 3/2): 0,7-3 1/2

Bởi

-3,2 . -15/64 + (0,8-2 2/15) : 3 2/3
0,05 . 60% + (2 1/3 – 3/2): 0,7-3 1/2

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  1. `-3,2 . (-15)/64 + (0,8-2 2/15) : 3 2/3`

    `=-16/5 . (-15)/64 + (4/5-32/15) : 11/3`

    `=3/4 +(-4/3)xx3/11`

    `=3/4 -4/11`

    `=17/33`

    `0,05 . 60% + (2 1/3 – 3/2): 0,7-3 1/2`

    `=1/20 . 3/5 + (7/3 – 3/2): 7/10-7/2`

    `=3/100+ 5/6* 10/7-7/2`

    `=3/100+25/21-7/2`

    `=123413/2100`

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