Ответ:
Пошаговое объяснение:
-2.3ax0. 2b= - 0.46
2/5X×5/3y
1/15×(6X-25y)
3a-5b-4a-3b
-a-8b
18X+14y-12y+5
18X+2y+5
6(2m-3n)
13.1-14.7+11.3
9.7
6.4m+12.4n-(7n-8.1m)
6.4m+12.4n-7n+8.1m
(6.4+8.1) m+(12.4-7)n
14.5m+5.4n
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Ответ:
Пошаговое объяснение:
-2.3ax0. 2b= - 0.46
2/5X×5/3y
1/15×(6X-25y)
3a-5b-4a-3b
-a-8b
18X+14y-12y+5
18X+2y+5
6(2m-3n)
13.1-14.7+11.3
9.7
6.4m+12.4n-(7n-8.1m)
6.4m+12.4n-7n+8.1m
(6.4+8.1) m+(12.4-7)n
14.5m+5.4n