1) 1 1/2 × 2 2/3 × 3 3/4 2) 1 1/2 ÷ 2 2/3 ÷ 3 3/4 3) 2 2/3 ÷ 4/9 × 1 6/9 4) 1 2/3 ÷ 2 1/2 - 3/5 × 1 2/7 Pke cara yah.. mksh:)
Matematika
reyna34
Pertanyaan
1) 1 1/2 × 2 2/3 × 3 3/4
2) 1 1/2 ÷ 2 2/3 ÷ 3 3/4
3) 2 2/3 ÷ 4/9 × 1 6/9
4) 1 2/3 ÷ 2 1/2 - 3/5 × 1 2/7
Pke cara yah.. mksh:)
2) 1 1/2 ÷ 2 2/3 ÷ 3 3/4
3) 2 2/3 ÷ 4/9 × 1 6/9
4) 1 2/3 ÷ 2 1/2 - 3/5 × 1 2/7
Pke cara yah.. mksh:)
2 Jawaban
-
1. Jawaban onnyfathi
1) 1 1/2 × 2 2/3 × 3 3/4
= 3/2×8/3×15/4
= 360/24
= 15
2) 1 1/2 ÷ 2 2/3 ÷ 3 3/4
= 3/2÷8/3÷15/4
= 3/2×3/8×4/15
= 36/240
= 3/20
3) 2 2/3÷4/9×1 6/9
= 8/3×9/4 ×15/9
= 1.080/108
= 10
4) 1 2/3÷2 1/2 – 3/5×1 2/7
= 5/3÷5/2 – 3/5×9/7
= 5/3×2/5 – 3/5×9/7
= 2/3 – 27/35
= 35/105 – 81/105
= –46/105 -
2. Jawaban ririariefianty
1)3/2x8/3x15/4= 30/2 =15
2) 3/2 ÷ 8/3×15/4=3/2×3/8×15/4 =135/64= 2 7/64
3) 8/3÷4/9×15/9=8/3×9/4×15/9 =10
4)5/3 ÷5/2 - 3/5×9/7 = 5/3×2/5-3/5×9/7= 2/3-27/35= 70/105- 81/105 = - 11/105