A. 2 1/3 - 5 2/5 + 7 1/2 B. 3 1/4 + 1 2/3 - 6 5/6 C. 5 3/4 + 2 1/2 - 13 5/6
Matematika
Harina20
Pertanyaan
A. 2 1/3 - 5 2/5 + 7 1/2
B. 3 1/4 + 1 2/3 - 6 5/6
C. 5 3/4 + 2 1/2 - 13 5/6
B. 3 1/4 + 1 2/3 - 6 5/6
C. 5 3/4 + 2 1/2 - 13 5/6
1 Jawaban
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1. Jawaban yusak041
A. 2 1/3 - 5 2/5 + 7 1/2
7/3 - 27/5 + 15/2
7×5×2/3×5×2 - 27×3×2/5×3×2 + 15×5×3/2×5×3
70/30 - 162/30 + 225/30
133/30 atau 4 13/30 (jawabannya)
B. 3 1/4 + 1 2/3 - 6 5/6
13/4 + 5/3 - 41/6
13×3×6/4×3×6 + 5×4×6/3×4×6 - 41×3×4/6×3×4
234/72 + 120/72 - 492/72
(-138÷6/72÷6)
(-23/12) atau (-1 11/12) (jawabannya)
C. 5 3/4 + 2 1/2 - 13 5/6
23/4 + 5/2 - 83/6
23×2×6/4×2×6 + 5×4×6/2×4×6 - 83×2×4/6×2×4
276/48 + 120/48 - 664/48
(-268÷4/48÷4)
(-67/12) atau (-5 7/12) (jawabanny)