VH
13
K
Khách
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NK
1
1 tháng 1 2019
=1918x2018-1918x57-2018x1918+2018x57
=(1918x2018-1918x2018)+57x(2018-1918)
=57x100=5700
11 tháng 11 2015
35+57-57*3:2
=35+57-171:2
=35+57-85,5
=92-85,5
=6,5
mk đầu tiên mà bạn
14 tháng 3 2017
các bạn hãy vào mục thông tin và giải các bài toán trên đó nhé chúc các bạn học tốt
25 tháng 12 2016
x + 45 = 57
x = 57 - 45
x = 12
đúng 100%luôn
tk mk nha
chúc abnj học tốt
TD
1
TT
2
26 tháng 12 2016
234 x ... + 234 x 57 = 23400
234 x ... + 234 x 57 = 234 x 100
234 x ( ... + 57 ) = 234 x 100
... + 57 = 234 x 100 : 234
... + 57 = 100
... = 100 - 57
... = 43
456 nha
= 456.
Đúng 100% luôn!
Ai tk cho mình mình tk lại.
=57x2+57x3+57x1+57x1+57x1
=57x(2+3+1+1+1)
=57x8
=456
=57.(2+3+1+1+1)
=57.8
=456
=456
lấy máy tính mà tính
mà cái này nhẫm cũng ra
= 456 bạn nhé
57*2+57*3+57+57+57
=57*2+57*2+57*3
=399
456 nếu ko tin thì nói đúng 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=104+171+(57x3)
=275+171
=446
57*2+57*3+57+57+57=57*5+57*3=57*8=456
57 x 2 + 57 x 3 + 57 +57+57=345
#HT#
= 456 nha bạn
465 nha
k đúng cho mình