C.Decimals
1) 2.005 + 4.0078 =_________
2) 89.62- 71.55 =___________
3) 2.17 × 3.1 =______________
4) 25.6310 ÷ 0.02 =_________
5) 2. 38 × 12.05 =___________
D.Integers
1) (-22) + (-16) =_____________
2) (21) + (-21) + -(4) =_________
3) (-8) + (-4) + (23) =_________
4) (-168) ÷ (42) =____________
5) (-27) (-13) =______________
E.polynomials
1) 7× + 2× + 19× =___________
2)-6× - 3 + 3× -9 =__________
3) ( 3×-4y - (x+2y) =_________
4) 18×5 ÷ 6×3 =____________
5) ( ×+5) (×-7) =_____________
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Answer:
C.Decimals
1) 2.005 + 4.0078 =__6.0128_______
2) 89.62- 71.55 =___18.07________
3) 2.17 × 3.1 =____6.727__________
4) 25.6310 ÷ 0.02 =___1281.5______
5) 2. 38 × 12.05 =__28.679_________
D.Integers
1) (-22) + (-16) =___-38__________
2) (21) + (-21) + -(4) =___-4______
3) (-8) + (-4) + (23) =___11______
4) (-168) ÷ (42) =____-4________
5) (-27) (-13) =_____351_________
E.polynomials
1) 7× + 2× + 19× =___28x________
2)-6× - 3 + 3× -9 =____-15x______
3) ( 3×-4y - (x+2y) =_________
4) 18×5 ÷ 6×3 =____45________
5) ( ×+5) (×-7) =__x^2-2x-35___________
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