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Efectuati calculele: 1-a)[latex] \frac{7}{8} [/latex]·[latex] \frac{2}{5} [/latex]=? b)[latex] \frac{36}{44} [/latex]·[latex] \frac{11}{12} [/latex]=? c)3[latex] \frac{12}{16} [/latex]·[latex] \frac{4}{10} [/latex]=? d)2[latex] \frac{1}{4} [/latex]·1[latex] \frac{23}{45} [/latex]=? _______________________________________________________ 2-a)[latex] \frac{7}{16} [/latex]:[latex] \frac{9}{16} [/latex]=? b)-[latex] \frac{11}{28} [/latex]:[latex] \frac{33}{56} [/latex]=? c)3[latex] \frac{3}{4} [/latex]:(-2[latex] \frac{11}{12} [/latex])=? d)(-24):(-5[latex] \frac{7}{13} [/latex])=? ______________________________________________________ 3-a)4,18·3,5=? b)-6,04·2,95=? c)1,23·(-4,56)=? d)-6,54·(-3,21)=? _______________________________________________________ 4-a)1,962:0,9=? b)-19,21:3,4=? c)47[latex] \frac{17}{20} [/latex]:(-6,38) d)-64,8:(-6[latex] \frac{3}{4} [/latex]) _______________________________________________________

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1)a.[latex] \frac{7}{20} [/latex] b.[latex] \frac{3}{4} [/latex] c.1[latex] \frac{1}{2} [/latex] d.3[latex] \frac{2}{5} [/latex] 2)a.[latex] \frac{7}{9} [/latex] b.[latex] \frac{2}{3} [/latex] c.[latex]1 \frac{9}{11} [/latex] d.[latex]4 \frac{1}{3} [/latex] 3)a.14,63 b. -17,818 c. -5,6088 d. 20,9934 4)a. 2,18 b. -5,65 c. -284[latex] \frac{9}{38} [/latex] d. 385[latex] \frac{1}{15} [/latex]

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