// JavaScript Document


var data = {
    "_rubric": "<b>Fill in the blank.</b>",
    "_title": "<b>Complements</b>",
    "_optionArr": [
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        [],
        []
    ],
    "_quesArr": [
        [
            {
                "ques": "89 - 89 = _____ ",
                "ans": [
                    [
                        "0",
                        "00"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "97 - 90 = _____ ",
                "ans": [
                    [
                        "7",
                        "07"
                    ]
                ]
            }
        ],
        [
            {
                "ques": " _____ - 66 = 1",
                "ans": [
                    [
                        "67"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "1000 - _____ = 999",
                "ans": [
                    [
                        "1",
                        "01",
                        "001"
                    ]
                ]
            }
        ],
        [
            {
                "ques": " _____ - 10 = 100",
                "ans": [
                    [
                        "110"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "9800 - _____ = 9800",
                "ans": [
                    [
                        "0"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "59 - _____ = 4",
                "ans": [
                    [
                        "55"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "98 - _____ = 5",
                "ans": [
                    [
                        "93"
                    ]
                ]
            }
        ],
        [
            {
                "ques": " _____ subtracted from 320 gives 300.",
                "ans": [
                    [
                        "20"
                    ]
                ]
            }
        ],
        [
            {
                "ques": "Subtracting 888 from 999 gives _____ .",
                "ans": [
                    [
                        "111"
                    ]
                ]
            }
        ]
    ]
};