Fractions
1) 3/5+1/5=
2) 1 1/2+¾=
3) 6/7 - ½=
4) 11/8×¼=
5) 2 ⅓+¼=

Decimals
1) 2.005+4.0078=
2) 89.62-71.55=
3) 2.71×3.1=
4) 25.6310+0.02=
5) 2.38×12.05

Integers
1) (-22)+(-16)=
2) 21+(-21)+(-4)=
3) (-8)+(-4)+23=
4) (-168)+(42)=
5) (-27)(-13)=

Polynomials
1) 7x+2x+19x=
2) -6x-3+3x-9=
3) (3x-4y)-(x+2y)=
4) 18x+6x³
5) (x+5)(x-7)=

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