Bài 2. Tìm x:a/ x + 456788 9867655 b/ x – 23345 9886 c/ 283476 + x 986352...........................................................................................................................................................................................................................................................................................................................................................................................................................................
Đọc tiếp
Bài 2. Tìm x:
a/ x + 456788 = 9867655 b/ x – 23345 = 9886 c/ 283476 + x = 986352
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d/ y × 123 = 44772 e/ a : 637 = 2345 g/ 212 552 : x = 326
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h/ 40000 – x =3876 i/ (x + 1233) – 1978 = 9876 k/ x : 2 : 3 = 138
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