Matematică
pepsi1
5

CALCULATI IN MODUL CEL MAI EFICIENT: A]  [latex] \frac{3}{4} [/latex]*1[latex] \frac{3}{5} [/latex]+1[latex] \frac{3}{5} [/latex]*1[latex] \frac{3}{8} [/latex]-1[latex] \frac{1}{2} [/latex]*1[latex] \frac{3}{5} [/latex]= B]4[latex] \frac{1}{9} [/latex]*[latex] \frac{5}{8} [/latex]+3[latex] \frac{5}{9} [/latex]*[latex] \frac{5}{8} [/latex]+1[latex] \frac{1}{3} [/latex]*[latex] \frac{5}{8} [/latex]=

+0
(1) Răspunsuri
genius31

A] 3/4x8/5+8/5x11/8-3/2x8/5= 8/5(3/4+11/8-3/2)= 8/5x(6+11-12)/8= 8/5x7/8=7/5 b)37/9x5/8+32/9x5/8+4/3x5/8= 5/8x(37/9+32/9+4/3)= 8/5x(69/9+4/3)= 8/5x(69+12)/9= 8/5x81/9= 8/5x9=72/5

Adaugă răspuns