a. 4.52.5.25.2
=(4.25).(5.2).52
=100.10.52
=1000.52
=52000
b. 2.32 + 4.32
=32 . (2+4)
=9.6
=54
a)4.52.5.25.2
=(4.25).(5.2).52
=100.10.52
=52000
b)2.32+4.33
=2.32+4.33
=18+108
=126
a, 4.52.5.25.2
= ( 4.25 ) . (5.2).2
=100 . 10 .52
=52000
b, 2.32 + 4.33
=(2+4).32
=9.6
=54
a) 4 . 52 . 5 . 25 . 2 = ( 4 . 25 ) . ( 5 . 2 ) . 52
= 100 . 10 . 52
= 52 000
b) 2 . 3^2 + 4 . 3^3 = 3^2 . 3^3 + ( 2 + 4 )
= 3^5 . ( 2 + 4)
= 15 . 6
= 90
Học tốt nhé!
a,\(\text{4 .52.5.25.2}=\left(\text{4 .25}\right).\left(5.2\right).52\)
\(=100.10.52=1000.52=52000\)
b,\(2.3^2+\text{4}.3^3=2.3^2\left(1+2.3\right)=18.7=126\)
