Question

calculeaza : 7/8 × 8/7 , 3 × 4/5 , 1/2 × 2/3 × 3/4 , 2/3 × 1/3 × 4 , ( 1/3 + 1/6 ) × 2 , 2/3 × 3/2​

Answer 1

$1)\frac { 7 } { 8 } \times \frac { 8 } { 7 } = 1$

$2)3 \times \frac { 4 } { 5 } = \frac{12}{5}=2.4$

$3)\frac { 1 } { 2 } \times \frac { 2 } { 3 } \times \frac { 3 } { 4 } = \frac{1}{4}=0.25$

$4)\frac { 2 } { 3 } \times \frac { 1 } { 3 } \times 4 = \frac{8}{9}$

$5)( \frac { 1 } { 3 } + \frac { 1 } { 6 } ) \times 2 = 1$

$6)\frac { 2 } { 3 } \times \frac { 3 } { 2 } = 1$

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