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4×3= 66-45= 70-5= 23-(46-38)=
36+7= 25+65= 23+37= 21+19+34=
5×6= 90-45= 2×2= 6×6-28=
42-8= 6×4= 4×4= 40+(89-54)=
25+21= 5×3= 6×3= 70+2×6=
3×46×5 3+3+32×2×2 3×23+2
6+66×2 5×515+5 183×6
35-1731 18+951-32 26-163×3
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