Question

10 va rog dau coroana.

Answer 1

a.45+7x[307-816:(9-5)]-8x1=<br />=45+7x[307-816:4]-8x1<br />=45+7x(307-816:4)-8x1<br />=45+7x(307-24)-8x1<br />=45+7x284-8x1<br />=45+1988-8<br />=2043-8<br />=2035<br />b.406-4x[3x(30-18:6:3)]=<br />=406-4x[3x(30-3:3)]<br />=406-4x[3x(30-1)]<br />=406-4x[3x29]<br />=406-4x(3x29)<br />=406-4x87<br />=406-348<br />=58<br />c.832:8+[40+8x(100:5-72:4)]x10=<br />=832:8+[40+8x(20-18)]x10<br />=832:8+[40+8x2]x10<br />=832:8+(40+8x2)x10<br />=832:8+(40+16)x10<br />=832:8+56x10<br />=14+560<br />=57<br />d.25+6x[107-100:(8-3)]-9x1=<br />=25+6x[107-100:5]-9x1<br />=25+6x(107-100:5)-9x1<br />=25+6x(107-20)-9x1<br />=25+6x87-9x1<br />=25+522-9<br />=547-9<br />=538<br />e.1+3x[7+8x7-3+3x(5+6)]=<br />=1+3x[7+8x7-3+3x11]<br />=1+3x(7+8x7-3+3x11)<br />=1+3x(7+56-3+33)<br />=1+3x(63-3+33)<br />=1+3x(66+33)<br />=1+3x99<br />=1+297<br />=298<br />f.[55x5-(199-99x2+20x5)+220:10]:4=<br />=[55x5-(199-198+100)+220:10]:4<br />=[55x5-(1+100)+220:10]:4<br />=[55x5-101+220:10]:4<br />=(55x5-101+220:10):4<br />=(275-101+22):4<br />=(174+22):4<br />=196:4<br />=49<br />g.5+[7+3x(7-2)]:2-6=<br />=5+[7+3x5]:2-6<br />=5+(7+3x5):2-6<br />=5+(7+15):2-6<br />=5+22:2-6<br />=5+11-6<br />=16-6<br />=10<br />h.9+8x[7+6x(5+4x3)-2x1]-10x10=<br />=9+8x[7+6x(5+12)-2x1]-10x10<br />=9+8x[7+6x17-2x1]-10x10<br />=9+8x(7+6x17-2x1)-10x10<br />=9+8x(7+102-2)-10x10<br />=9+8x(109-2)-10x10<br />=9+8x107-10x10<br />=9+856-100<br />=865-100<br />=765<br />Aștept coroana...<br /><br />