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lizaS200
@lizaS200
July 2022
2
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Помогите пж)
Упростите выражение:
1)3а*(-1,2)
2)-0,2b*(-0,5)
3)-7a*9b
4)2,4x*2y
5)-3/14m * 7/9n
6)- 1/4a* 4/3b*(-3c)
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нлоо
1)3а*(-1,2)=-3,6а
2)-0,2b*(-0,5)=0,1b
3)-7a*9b=-63ab
4)2,4x*2y=4,8xy
5)-3/14m * 7/9n=-1/6mn
6)- 1/4a* 4/3b*(-3c)=-1/3ab*(-3c)=abc
2 votes
Thanks 3
Itvord
Пишу сразу решение
1) -3.6а
2) 0.1b
3) -63ab
4) 4.8xy
5) -1/6mn*(-3c)=3/6mnc=1/2mnc=0.5mnc
Не за что))
0 votes
Thanks 1
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Answers & Comments
2)-0,2b*(-0,5)=0,1b
3)-7a*9b=-63ab
4)2,4x*2y=4,8xy
5)-3/14m * 7/9n=-1/6mn
6)- 1/4a* 4/3b*(-3c)=-1/3ab*(-3c)=abc
1) -3.6а
2) 0.1b
3) -63ab
4) 4.8xy
5) -1/6mn*(-3c)=3/6mnc=1/2mnc=0.5mnc
Не за что))