Ответ:
Пошаговое объяснение:
340)1) 2 1/4 * 1 1/3= 9/4 *4/3= 3
2) 5 5/12 * 1 5/13 = 65/12 * 18/13 = 15/2 = 7 1/2
3) 4 3/8 * 1 1/7 = 35/8 * 8/7 = 5
4) 4 9/10 * 3 1/3= 49/10 * 10/3= 49/3= 16 1/3
341) 1) 6 1/4 * 2/25 = 25/4 * 2/25= 1/2
2) 5/13 * 9 1/10 = 5/13 * 91/10= 7/2 = 3 1/2
3) 5 1/5 * 25/38 = 26/5 * 25/38= 65/19 = 3 8/19
4) 7/9 * 1 4/5 = 7/9 * 9/5= 7/5 = 1 2/5
9/4×4/3=3; 65/12×18/13=15/2=7 1/2 ; 35/8×8/7=5; 49/10×10/3=49/3=16 1/3;
25/4×2/25=1/2; 5/13× 91/10=91/26=3 1/2; 26/5×25/38=65/19=3 8/19;
7/9×9/5=7/5=1 2/5
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Answers & Comments
Ответ:
Пошаговое объяснение:
340)1) 2 1/4 * 1 1/3= 9/4 *4/3= 3
2) 5 5/12 * 1 5/13 = 65/12 * 18/13 = 15/2 = 7 1/2
3) 4 3/8 * 1 1/7 = 35/8 * 8/7 = 5
4) 4 9/10 * 3 1/3= 49/10 * 10/3= 49/3= 16 1/3
341) 1) 6 1/4 * 2/25 = 25/4 * 2/25= 1/2
2) 5/13 * 9 1/10 = 5/13 * 91/10= 7/2 = 3 1/2
3) 5 1/5 * 25/38 = 26/5 * 25/38= 65/19 = 3 8/19
4) 7/9 * 1 4/5 = 7/9 * 9/5= 7/5 = 1 2/5
Ответ:
Пошаговое объяснение:
9/4×4/3=3; 65/12×18/13=15/2=7 1/2 ; 35/8×8/7=5; 49/10×10/3=49/3=16 1/3;
25/4×2/25=1/2; 5/13× 91/10=91/26=3 1/2; 26/5×25/38=65/19=3 8/19;
7/9×9/5=7/5=1 2/5