\(32-\left(2^2.3,14\right)-\left(2^2.3,14\right)\)
\(=32-2\left(2^2.3,14\right)\)
\(=32-2.2^2.3,14\)
\(=32-12,56\)
\(=19,44\)
\(32-\left(2^2.3,14\right)-\left(2^2.3,14\right)\)
\(=32-12,56-12,56\)
\(=19,44-12,56\)
\(=6,88\)
HOK TOT
\(32-\left(2^2.3,14\right)-\left(2^2.3,14\right)\)
\(=32-2\left(2^2.3,14\right)\)
\(=32-2.2^2.3,14\)
\(=32-12,56\)
\(=19,44\)
\(32-\left(2^2.3,14\right)-\left(2^2.3,14\right)\)
\(=32-12,56-12,56\)
\(=19,44-12,56\)
\(=6,88\)
HOK TOT
-(21+32)-(-12+32) bo ngoac roi tinh
Bo dau ngoac roi rut gon bieu thuc :
a) - ( - 12 + 25 - 36 ) - ( 12 - 36 + 57 )
b) - ( 23 + 5 - 6 + 17 ) + ( 23 - 5 - 83 - 6 )
c) 12 . ( 6 - 7 - 8 ) - 10 . ( 11 + 12 - 13 )
Giup minh voi minh dang can rat gap
bo dau ngoac roi tinh phan a 125-4 .[3-7.(-2)]
(2.8x - 32) : 2/3 = 90
Giup minh voi minh giai nhieu cach roi ma khong ra
Bo ngoac roi rut gon:-a-(b-a-c)
Bo ngoac roi tinh
a) 7x(10-3)-8x(2-9)
b) -17x(13+5)-13x(17-2)
Lam chi tiet nhe!
Bo ngoac roi tinh nhanh
( 18 + 29 ) + ( 158 - 18 - 29 )
Bo dau ngoac roi tinh :
-144 - [29 - (+144) - (-149)]
bo ngoac roi tinh:a)30+12+(-20)+(-12) ;b)(-5)+(-10)+16+(-1)