Question

(92-64+23)*56
(75-89+15)*86
840:70+28*66

помогите решить выражение)

Answer 1

51×56=2856
1×86=86
12+1848=1860

Answer 2

(92-64+23)*56 = 2856
1) 92-64=28
2)28+23=51
3) 51*56= 2856

(75-89+15)*86 =86
1) 75-89= -(89-75)= -14
2) -14+15 = 1
3) 1*86 = 86

840:70+28*66=1848
1) 840:70=12
2) 28*66=1848