32 + 5. 13 - 3 . 23
= 32 + 5 .13 - 3 . 8
= 32 + 65 - 24
= 97 + 24
= 121
12.5 + 12 . 95
= 12 . ( 5 + 95 )
= 12 . 100
= 1200
b, 32+5.13-3.2^3
=32+45-3.8
=32+45+24
=97+24
=121
c,12.5+12.95
=12.(5+95)
=12.100
=1200
b)32+5.13-3.23
=32+65-3.8
=32+65-24
=97-24
=73
tk nha, mình tk lại