4/3+7/3=? add, 3/11, 67, 67/43, dont know, 2/1+2/2=? add, 6/2, 2/3, 1/4, dont know, 15/10 - 10/9=? subtract, 132/87, 150/41, 56/42, dont know, 9/5 - 10/5=? subtract, 50/65, 41/76, 76/24, dont know, 3 3/2=? mixed, 3/10, 76/54, 74/854, dont know, 5 6/1=? mixed, 30/1, 65/23, 43/21, dont know, 42/67=? improper, 56/78, 56/35, 1 42/15, dont know, 6/13=? improper, 1 6/1, 98/34, 34/8, dont know, 1/2 decimal, 74.7, 0.5, 67, dont know, 4/1 decimal, 0.25, 6.7, 8.3, dont know, 6/4 2/3 compare, <, =, >, dont know, 8/12 100/44 Compare, <, =, >, dont know, 2/1 x 5=?, 10/5, 42, 67, dont know, 6/2 x 4=?, 74, 84, 4/12, dont know, Obrigado, dont know

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