6×2+7 7×(45÷5) 19+9×6
= = =
= = =
(19+2)÷3 (36÷4)+27 32÷4+16
= = =
= = =
29-4×2 16÷2×7 42÷6×7
= = =
= = =
99-36+29 99-29+96 30-(23+29)
= = =
= = =
3+23+94 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)
= = =
= = =
55-56+22 61-28+26 58+18-16
= = =
= = =
18-26+25 85-25+16 20+(22-28)
= = =
= = =
52-22-4 82-(28-22) 51-(25-24)
= = =
= = =
88-46+22 65-28+26 88+88-56
= = =
= = =
58-26+28 84-28+86 20-(22-28)
= = =
= = =