2018年小学三年级口算练习题(四十二)
2018年小学三年级口算练习题(四十二)92+2 = 81+82 = 75+5 = 98+78 = 43+48 =
74-74 = 99+24 = 56+65 = 0+27 = 51-14 =
64+69 = 28-12 = 47+71 = 55-48 = 80-64 =
86+88 = 55+29 = 24-16 = 60-26 = 98+58 =
992-912 = 514-489 = 715-628 = 399-373 = 242-145 =
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