14.) ini soalnya (-9²) atau (-9)² karena hasil nya akan beda, tapi bakal gw jawab 2 2 nya. (-9²) = -81 dan (-9)² = 81
15.) -9² = -81
16.) -7+31 = 24
17.) 3² x 3³ + 1/2 = 9 x 27 + 1/2 = 243 + 1/2 = 243,5
18.) 2/7 x 7/24 = 14/168 = 1/12
19.) 3/3 ÷ 3 + 1/3 = 1 ÷ 3 + 1/3 = 2/3
20.) 4/5 x 1/2 ÷ 5 = 4/2 = 2
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14.) ini soalnya (-9²) atau (-9)² karena hasil nya akan beda, tapi bakal gw jawab 2 2 nya. (-9²) = -81 dan (-9)² = 81
15.) -9² = -81
16.) -7+31 = 24
17.) 3² x 3³ + 1/2 = 9 x 27 + 1/2 = 243 + 1/2 = 243,5
18.) 2/7 x 7/24 = 14/168 = 1/12
19.) 3/3 ÷ 3 + 1/3 = 1 ÷ 3 + 1/3 = 2/3
20.) 4/5 x 1/2 ÷ 5 = 4/2 = 2