35*34+35*86+65.75+65.45
gm
tính nhnh : 35 . 34 +35.86 +65.75+65.45
35.34+35.86+65.75+65.45
=35.(34+86)+65.(75+45)
=35.120+65.120
=(35+65).120
=100.120
=12000
35.34+35.86+65.75+65.45
=35.(34+86)+65.(75+45)
=35.120+65.120
=(35+65).120
=100.120
=12000
tính nhanh :
a, 35 .34 +35.38+65.75+65.45
b, 39.8+60.2+21.8
c, 36.28+36.82+64.69+64.4
d, 123.1001
ghi sai toán olớp 6 nhé ai giúp mình với
TÍNH :
35 . 34 +35.38 + 65 .75 + 65.45
Tính nhanh: 35.34 + 35,86 + 65.75 + 65.45.
35.34 + 35.86 + 65.75 + 65.45 = 35.(34 + 86) + 65.(75 + 45) = 120.35+120.65 -120.(35 + 65) = 12000
35.34+38.35.38+65.75+65.45
35.34+35.38+65.75+65.45
35.34+35.38+65.75+65.45
=35.(34+38)+65.(75+45)
=35.72+65.120
=2520+7800
=10320
35.34+35.38+65.75+65.45
=35(34+38)+65(75+45)
=35.72+65.120=2520+7800=10320
35.34+35.38+65.75+65.45
35 . 34 + 35 . 38 + 65 . 75 + 65 . 45
= 35 . (34 + 38) + 65 . (75 + 45)
= 35 . 72 + 65.120
= 2520 + 7800
= 10320
~Study well~
#QASJ
35.34+35.38 + 65.75 + 65.45
= 35.(34+38)+ 65 . (45 + 75)
= 2520 + 7800
= 10320.
Tính hợp lí:
35.34 + 35.56 + 65.75 + 65.45
= 35.(34+56+75+45)
= 35. 210
= 7350
$35.34 + 35.56 + 65.75 + 65.45$
$=35.(34+56)+65.(75+45)$
$=35.90+65.120$
$=3150+7800$
$=10950$
35.34+35.38+65.75+65.45
35.34+35.38+65.75 + 65.45= (35.34+35.38)+(65.75 + 65.45)
= 35.(34+38)+65.(75+45)
=35.72+65.120
=7.5.6.12+13.5.12.10=12.5(7.6+13.10)=60.172=10320