3.12.37+4.20.9+18.43.12
= (3.12).37+(4.9).20+18.12.43
=36.37+36.20+18.2.6.43
=36.37+36.20+36.258
=36.(37+20+258)
=36.315
=11340
Các câu hỏi tương tự
3.12.37+4.20.9+18.43.12
mn giup minh nhe
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1 Tim a biet .
a+b-c=18. voi b=10;c=-9
2a-3b+c=0
1-2b+c-3a=-9. voi b=-3 ;c=-7
Cac ban giup minh giai bai nay nhe cam on nhieu...
cac ban giup toi cau nay voi:
Thuc hien phep tinh(hop ly neu co the):
(10/99+11/199-12/299)x(1/2-1/3+-1/6)
mong cac ban giup minh nhanh voi a. Minh xin cam on
giai giup minh voi
viet tat ca cac so tu nhien co 5 chu so ma bang 2
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MN GIUP MINH VOI DAG CAN GAP
tim x
[(6x-39)chia 7 ]
x=?
cam on ban nao da giup minh giai cau nay
tinh:1+3+5+7+...+n=36
HAY GIUP TOI VOI LAM ON ! LAM ON HAY TIM CACH NHANH NHAT . CAM ON CAC BAN , TOI DOI ON CAC BAN SUOT DOI
tinh gia tri bieu thuc
(3.4^2.2^7)^2:(3^2.2^20)
giup minh voi minh can rai gap
ban nao nhanh thi minh tick cho
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bieu thuc
E=12/84+12/210+12/390+...+12/2100
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