657 x 637 = ?
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LM
Lê Minh Vũ
VIP
21 tháng 6 2023
\(\dfrac{637\times527-189}{526\times637+448}\)
\(=\dfrac{637\times\left(526+1\right)-189}{526\times637+448}\)
\(=\dfrac{637\times526+637-189}{526\times637+448}\)
\(=\dfrac{637\times526+448}{526\times637+448}\)
\(=\dfrac{1}{1}\)
\(=1\)
MP
4
EN
8 tháng 9 2018
526 x 637 + 448 335510
---------------------------- = ------------------------ = 1
637 x 527 -189 335510
Hok tốt nhé
# EllyNguyen #
NT
0
LT
4
DV
3
18 tháng 7 2019
\(\frac{637\times527-189}{526\times637+448}\)
\(=\frac{637\times\left(526+1\right)-189}{526\times637+448}\)
\(=\frac{637\times526+637-189}{526\times637+448}\)
\(=\frac{637\times526+448}{526\times637+448}\)
\(=1\)
18 tháng 7 2019
\(\frac{677\times874+251}{678\times874-623}\)
\(=\frac{677\times874+251}{\left(677+1\right)\times874-623}\)
\(=\frac{677\times874+251}{677\times874+874-623}\)
\(=\frac{677\times874+251}{677\times874+251}\)
\(=1\)
NB
1
TM
18 tháng 7 2019
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TQ
3
18 tháng 7 2019
c) 637 x 527 - 189=335510 / 526 x 637 + 448=335510
d) 677 x 874 + 251 =591949 / 678 x 874 - 623=591949
học tốt
18 tháng 7 2019
c, 637x527-189/526x637+448=335918,116
d, 677x874+251/678x874-623=91398,5605
DT
5
TM
18 tháng 7 2019
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DT
9 tháng 5 2017
\(\frac{637\cdot526+637-189}{526\cdot637+448}\)=\(\frac{637\cdot526+448}{637\cdot526+448}\)=1
657x637=418509
657 x 637 = 418509