文档介绍:1
77-46+32 65-38+26 79+19-56
= = 25-24〕
= = =
= = =
99-96+32 69-39+26 99+99-96
= = =
= = =
6×2+7 7×〔45÷5〕 19+9×6
= = =
= = =
3
〔19+2〕÷3 〔36÷4〕+27 32÷4+16
= = =
= = =
29-4×2 16÷2×7 42÷6×7
= = =
= = =
99-36+29 99-29+16 70-(23+29)
= = =
= = =
3+23+44 93-(39-23) 99-〔99-29〕
= = =
= = =
55-46+22 65-28+26 58+18-56
= = =
= = =
58-26+25 84-25+16= 4+25-16
= = =
= = =
82+22+84 68-(28-22) 88+〔25-24〕
= = =
= = =
4
55-56+22 61-28+26 58+18-16
= = =
= =