1) -3134
3) V = π×r²×t
=3,14×10²×12
=3768 cm³
4) -27°-34°= -61
5)-40:5×12,5= -8×12,5
= -100
6) 42= 2×3×7
36= 2²×3²
KPK= 2²×3²×7
= 4×9×7
= 252
7) 18= 2× 3²
27= 3³
FPB= 3² = 9
8) Keliling = 2×πr
= 2×22/7×42
= 264 cm
9) = 4¾ - 5/4
= 19/4 -5/4
= 14/4 atau 7/2 atau 3 ½
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1) -3134
3) V = π×r²×t
=3,14×10²×12
=3768 cm³
4) -27°-34°= -61
5)-40:5×12,5= -8×12,5
= -100
6) 42= 2×3×7
36= 2²×3²
KPK= 2²×3²×7
= 4×9×7
= 252
7) 18= 2× 3²
27= 3³
FPB= 3² = 9
8) Keliling = 2×πr
= 2×22/7×42
= 264 cm
9) = 4¾ - 5/4
= 19/4 -5/4
= 14/4 atau 7/2 atau 3 ½