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4 =", "options": [18.1962, 0, 10.2344, 17.7559], "answer_index": 2, "answer": 10.2344} +{"id": "math_s5_00990", "stage": 5, "n_operands": 6, "expression": "-12 * 16 / -11 / -5 - 20 - -12 =", "options": [-23.9851, -11.4909, -6, -0.0434], "answer_index": 1, "answer": -11.4909} +{"id": "math_s5_00991", "stage": 5, "n_operands": 6, "expression": "-17 * -6 + 9 / -7 + -6 - 11 =", "options": [-33, -32.8571, -21.7972, -18.6923], "answer_index": 1, "answer": -32.8571} +{"id": "math_s5_00992", "stage": 5, "n_operands": 6, "expression": "12 / 6 - 11 + -1 * 13 * 0 =", "options": [13, -4, -11.1351, 0], "answer_index": 3, "answer": 0} +{"id": "math_s5_00993", "stage": 5, "n_operands": 6, "expression": "2 / 1 / -16 * -12 * 5 * 20 =", "options": [136, 153, 164.4074, 150], "answer_index": 3, "answer": 150} +{"id": "math_s5_00994", "stage": 5, "n_operands": 6, "expression": "-7 * 6 / -6 + -10 * 9 / -18 =", "options": [-5.554, 14.2195, -11, 1.5], "answer_index": 3, "answer": 1.5} +{"id": "math_s5_00995", "stage": 5, "n_operands": 6, "expression": "2 + -8 * -4 - -4 + -9 / -18 =", "options": [-2.8593, 8.8704, -4, -1.0556], "answer_index": 3, "answer": -1.0556} +{"id": "math_s5_00996", "stage": 5, "n_operands": 6, "expression": "8 + -4 - 9 * -14 + 3 + -12 =", "options": [47.3096, 61, 47, 69], "answer_index": 1, "answer": 61} +{"id": "math_s5_00997", "stage": 5, "n_operands": 6, "expression": "16 * 13 + 2 - -19 - 1 * 6 =", "options": [1368, 1360, 1367, 1355.7988], "answer_index": 0, "answer": 1368} +{"id": "math_s5_00998", "stage": 5, "n_operands": 6, "expression": "15 * 0 - -17 - 14 - -15 / 20 =", "options": [-11.4393, 7, 0.9, -0.9478], "answer_index": 2, "answer": 0.9} +{"id": "math_s5_00999", "stage": 5, "n_operands": 6, "expression": "7 + 6 * -7 - -9 - 11 - 17 =", "options": [-101, -99.4503, -110, -100], "answer_index": 2, "answer": -110}