Question

Efectuați 9×{8+7×[6+5×(4+3×(2+1))]}:(1+2+3+...+9)​

Answer 1

Răspuns:

101

Explicație pas cu pas:

9×{8+7×[6+5×(4+3×(2+1))]}:(1+2+3+...+9)​=

= 9×{8+7×[6+5×(4+3×3)]}:[(1+9)×9:2]=

= 9×{8+7×[6+5×13]}:[10×9:2]=

= 9×{8+7×[6+65]}:(90:2) =

= 9×{8+7×71}:45 =

= 9×{8+497}:45 =

= 9×505:45 =

= 4545:45 = 101

Answer 2

Răspuns
101
9x505:45=4545:45=101