Выполнить умножение [tex]1) 7 * \frac{4}{37} 2) \frac{8}{13} *4 \frac{1}{3} 3) \frac{7}{15} * 3 4)3 \frac{3}{8} * \frac{7}{9} 5)4 \frac{4}{17} *3 \frac{7}{18} [/tex] с объяснением
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2)8/13*4 1/3=8/13*13/3=(8*1)/(1*3)=8/3=2 2/3
3)7/15*3=(7*3)/15=(7*1)/5=7/5=1 2/5
4)3 3/8*7/9=(27*7)/(8*9)=(3*7)/(8*1)=21/8=2 5/8
5)4 4/17*3 7/18=(72*61)/(17*18)=(4*61)/(17*1)=244/17=14 6/17