36 x 12 + 36 x 45 + 36 x 33
= 36 x (12 + 45 + 33)
= 36 x 90
= 3240
b) 78 x 31 + 78 x 24 + 78 x 17 + 22 x 72
=78 x (31 + 24 + 17) + 22 x 72
= 78 x 72 + 22 x 72
= (78 + 22) x 72
= 100 x 72
= 7200
c) ( 34 - 17 )2 - 23 x 32
\(=17^2-8.9\)
\(=289-72\)
\(=217\)
d)1120 : 1119 + 30 x 32
\(=11^{20-19}+0\cdot9\)
\(=11+0\)
\(=11\)
a) 36 x ( 12+45+33 )
= 36 x 90
= 3240
b) 78 x ( 31+24+17 ) +22 x 72
=78 x 72 + 22 x 72
= 72 x (78 +22)
=72 x 100
= 7200
c) ( 34 - 17 )2 -23 x 32
=132 - 23 x 32
= 132- 72
=169 - 72
= 97
d)1120:1119 + 30 x 32
=111+1 x 32
=11 + 1 x 9
=20
e) (22)3-33
=26-33
= 64 - 27
=37
d) 1120 : 1119 + 30 x 32
= 11 + 1 x 9
= 11 + 9
= 20
e) (22)3 - 33
= 43 - 33
= 64 - 27
= 37
e) ( 22 )3 - 33
\(=2^6-27\)
\(=64-27\)
\(=37\)
36 x 12 + 36 x 45 + 36 x 33
= 36 x (12 + 45 + 33)
= 36 x 90
= 3240
b) 78 x 31 + 78 x 24 + 78 x 17 + 22 x 72
=78 x (31 + 24 + 17) + 22 x 72
= 78 x 72 + 22 x 72
= (78 + 22) x 72
= 100 x 72
= 7200