小學(xué)一年級口算題綜合練習(xí)

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     13-7 = 14-5 = 11-9 = 12-4 = 16-8 =
    2 + 44 = 30 + 63 = 53-8 = 50-6 = 75-9 =
    13-9 = 14-7 = 17-8 = 11-5 = 12-3 =
    5 + 71 = 48 + 5 = 6 + 26 = 67 + 9 = 58-5 =
    14-8 = 11-7 = 15-8 = 18-9 = 16-7 =
    43-30 = 37-7 = 56-20 = 15-6= 12-5 =