133 x 2 - 54 + 45
= 266 - 54 + 45
= 212 + 45
= 257
đ/s : 257
\(133\times2-54+45\)
\(=266-54+45\)
\(=257\)
133 x 2 - 54 + 45 = 266 - 54 + 45
= 212 + 45
= 257
133 . 2 - 54 + 45
= 266 - 54 + 45
= 212 + 45
= 257
133 x 2 - 54 + 45
= 266 - 54 + 45
= 212 + 45
= 257
đ/s : 257
\(133\times2-54+45\)
\(=266-54+45\)
\(=257\)
133 x 2 - 54 + 45 = 266 - 54 + 45
= 212 + 45
= 257
133 . 2 - 54 + 45
= 266 - 54 + 45
= 212 + 45
= 257
Tính nhanh:
54 x 113 + 45 x 113 + 113
54 x 47 - 47 x 53 - 20 - 27
10000 - 47 x 72 - 47 x 28
(145 x 99 + 145) - (143 x 101 - 143)
1002 x 9 - 18
8 x 427 x 3 + 6 x 573 x 4
2008 x 867 + 2009 x 133
1-(45/9 + x - 133/18) : 63/4 = 0.
x = ?
132 x 145 + 100 / 145 x 133 -45
dau / la dau gach ngang cua phan so
Câu 10. (M4-1,0đ) Tính thuận tiện.
(89 x 12-2 x 6 x 89) + (145 x 54 + 146 x 45+ 100)
x + 45 =54-34
X x 45 + X x 54 + X = 700
5+4 x 57 x 54+45=
10 + 10 x 45 + 10 x 54 = ?
so sanh : a= 54x107-53 / 53x107+54 ; b= 135x269-133 / 134x269+135