👤

calculeaza respectand ordinea efectuarii operatilor:a) 145×23+108×12-4×6×24-5×2×132=
b) 9000-234×25-2×84+72÷8×342=


Răspuns :

a)  = 3335+1296-24x24-10x132= 3335+1296- 576-1320=4631-576-1320= 4055-1320=2735

b) = 9000-5850-168+9x342= 9000-5850-168+3078=3150-168+3078=2982+ 3078=6060
        
a)
145×23+108×12-4×6×24-5×2×132=
3335+108×12-4×6×24-5×2×132=
3335+1296-4×6×24-5×2×132=
3335+1296-24×24-5×2×132=
3335+1296-576-5×2×132=
3335+1296-576-10×132=
3335+1296-576-1320=
4631-576-1320=
4055-1320=2735


b) 9000-234×25-2×84+72÷8×342=
 9000-5850-2×84+72÷8×342=
 9000-5850-168+72:8x342=
 9000-5850-168+9x342=
 9000-5850-168+3078=
 3150-168+3078=
 2982+3078=6060