0 + 258 = 621 - 107 = 190×0 = (880 - 880)×2 =
127 + 31 = 41×300 = 84×20 = 18÷3 + 12 =
960÷20 = 363÷3 = 421×4 = 17 + 15÷5 =
127 + 31 = 41×300 = 84×20 = 18÷3 + 12 =
960÷20 = 363÷3 = 421×4 = 17 + 15÷5 =
答案:
258 514 0 0 158 12300 1680 18 48 121 1684 20
先说出运算顺序,再计算。
27×176 - 166÷2 (105 - 35)×30÷2 (105 + 35)÷(30 - 2)
900 - (720 + 150÷5) [300 - (45 + 35)]×38 490÷(20 + 35 - 48)
600÷[(15 + 25)×5] 84÷[(8 + 6)×2] 668 - 297÷(69 - 42)
27×176 - 166÷2 (105 - 35)×30÷2 (105 + 35)÷(30 - 2)
900 - (720 + 150÷5) [300 - (45 + 35)]×38 490÷(20 + 35 - 48)
600÷[(15 + 25)×5] 84÷[(8 + 6)×2] 668 - 297÷(69 - 42)
答案:
4669 1050 5 150 8360 70 3 3 657
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