Materi : Pecahan
= 11/4 + 21/4
= 32/4
= 8
= 21/4 - 3/2
= 21/4 - 6/4
= 15/4
= 3¾
= 120 × ( -120/-40 ) - 125
= 120 × 3 - 125
= 360 - 125
= 235
= 9.783 × 67 . 4.356 × 56
= 655.461 × 243.936
= 159.890.534.496
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Materi : Pecahan
(2.) 2 3/4 + 5 1/4
= 11/4 + 21/4
= 32/4
= 8
(3.) 5 1/4 - 1 1/2
= 21/4 - 3/2
= 21/4 - 6/4
= 15/4
= 3¾
(4.) 120 × (-120) ÷ (-40) - 125
= 120 × ( -120/-40 ) - 125
= 120 × 3 - 125
= 360 - 125
= 235
(5.) 9783 × 67 . 4356 × 56
= 9.783 × 67 . 4.356 × 56
= 655.461 × 243.936
= 159.890.534.496
Semoga bisa membantu