Question

Cu rezolvare.Va rog dau coroana!!

Answer 1

Răspuns

Explicație pas cu pas:

1. a.   503-127-205+189-64=

        376-205+189-64=

        171+189-64=

        360-64=

        360-64=296

21189+16.347-20.508=

37.536-20.508=

37.536-20.508=17.028

b.  185x25x36÷15÷20=

     4.625x36÷15÷20=

166.500÷15÷20=

11.100÷20=555

895÷5x36÷9x29=

179x36÷9x29=

179x4x29=

716x29=

20.764

c.   26+360÷(3x50x5÷750)=

     26+360÷(750÷750)=

26+360÷1=

26+360=386

105-2x[11+5x3-(4+8)]=

105-2x(11+15-12)=

105-2x(26-12)=

105-2x14=

105-28=77

d.   [(609÷3+72÷3)x3-75x8)x2=

[(203+24)x3-600]x2=

(227x3-600)x2=

(681-600)x2=

81x2=162

3x[90÷45+2x(69÷13+10)]+105÷3=

3x[2+2x(5,3+10)]+35=

3x(2+30,6)+35=

3x32,6+35=

97,8+35=132,8