88-19=
55+39
10-10=
100-22=
11+22=
22+33=
33+44=
44+55=
55+66=
66+77=
77+88=
88+99=
99+100=
11+22=33
22+33=55
33+44=77
44+55=99
55+66=121
66+77=143
77+88=165
88+99=187
99+100=199
11+22=33
22+33=55
33+44=77
44+55=99
55+66=121
66+77=143
77+88=165
88+99=187
99+100=199
chúc bn hok tốt
tk+kb vs mk nha m.n!
c.ơn m.n nhìu!
11 + 22 = 33
22 + 33 = 55
33 + 44 = 77
44 + 55 = 99
55 + 66 = 121
66 + 77 = 143
77 + 88 = 165
88 + 99 = 187
99 + 100 = 199
HỌC TỐT
tinh nhanh 100-99 + 88-77 +66-55+ 44-33 +22-11
= 1 + 11 + 11 + 11 + 11 = 1 + 4 . 11 = 1 + 44 = 45
\(100-99+88-77+66-55+44-33+22-11\\ =\left(100-99\right)+\left(88-77\right)+\left(66-55\right)+\left(44-33\right)+\left(22-11\right)\\ =1+11+11+11+11\\ =1+11\times4\\ =1+44\\ =45\)
\(100-99+88-77+66-55+44-33+22-11\)
\(=1+11+11+11+11\)
=45
11+22+33+44+55+66+77+88+99+100+111=???
11+22+33+44+55+66+77+88+99+100+111=706
hok tốt
# EllyNguyen #
11+22+33+44+55+66+77+88+99:100 = ?
11+22+33+44+55+66+77+88+99:100
=11+22+33+44+55+66+77+88+0,99
=33+44+55+66+77+88+0,99
=77+55+66+77+88+0,99
=132+66+77+88+0,99
=198+77+88+0,99
=275+88+0,99
=363+0,99
=363,99
11+22+33+44+55+66+77+88+99:100 = ?
ai nhanh nhất mik like cho
=(11+99) +(22+88)+(33+88) +(44+66)+55 :100
=110+110+110+110 +55:100
=440+55:100
=495 :100
=4,95
TICK NHA
tính nhanh:
11+22+33+44+55+66+77+88+99
10+20+30+40+50
11+22+33+44+55+66+77+88+99
= ( 11 + 88 ) + ( 22 + 77 ) + ( 33 + 66 ) + ( 44 + 55 ) + 99
= 99 + 99 + 99 + 99 + 99
= 99 x 5
= 495
10+20+30+40+50
= ( 10 + 40 ) + ( 20 + 30 ) + 50
= 50 + 50 + 50
= 50 x 3
= 150
K mình nha mình nhanh nhất đó!
ai k mik mik ks lại
11+22+33+44+55+66+77+88+99
=(11+99)+(22+88)+(33+77)+(44+66)+55
=110+110+110+110+55
=110*4+55
=440+55
=495
10+20+30+40+50
=(10+50)+(20+40)+30
=60+60+30
=60*2+30
=120+30
=150
10+90=?
11+89=?
12+88=?
100+5+78+22+100+78+95+22=?
10+90=100
11+89=100
12+88=100
100+5+78+22+100+78+95+22=500
10+90=100
11+89=100
12+88=100
100+5+78+22+100+78+95+22=500
10 + 90 = 100
11 + 89 = 100
12 + 88 = 100
100 + 5 + 78 + 22 + 100 + 78 + 95 + 22
= 100 + 100 + ( 5 + 95 ) + ( 78 + 22 ) + ( 78 + 22 )
= 100 x 5
= 500
66+22+55+88=???
66+ 22 + 55 + 88
= 88 + 55 + 88
= 143 + 88
=231
đáp số 231
So sánh
a, -24 / 35 & -19 / 30
b, 2^91 & 5^35
c, 5^22 & 2^55
d, -13 / 38 & 29 / -88
e, 267 / -268 & -1347 / 1343