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L
1
12 tháng 10 2021
38x6+24x2+12x7=228+48+84
=360
95+44:4-63:6=95+11-10,5
=106-10,5
=95,5
12 tháng 7 2016
a.10+13+16+19+.......+97+100
=(10+100)+(13+97)+(16+94)+.....+(52+58)+55
=110+110+110+.......+110+55
=110x18+55
=1980+55
=2035
b.5+10+15+20+.......+95+100
=(100+5)+(10+95)+....+(55+50)
=105+105+...+105
=105x10
=1050
tim x,y biet:
c.135-y:4=106
y:4=135-106
y:4=29
y=29:4
y=\(\frac{29}{4}\)
d.356:y+241=245
256:y=245-241
356:y=4
y=356:4
y=89
NQ
Tính bằng cách thuận tiện nhất :
a, 135 x 90 + 135 x 9 + 135
b, 95 x 8 + 95 + 95
c, 100 x 90 + 100 x 10
0
TV
0
9 tháng 4
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KN
5
290
= 290
290
12+20+63+95+100= 290
cm ơn
290
12+20+63+95+100=290
12 + 20 + 63 + 95 + 100 = 290.
tick cho mình nhé
milk nói là đừng có trả lời nữa
290
cảm ơn cậu thôi ko ai trả lời nữa nhé