G5測試題20 的副本

64 + 81 – 72 =？

• 64–81 + 72
• (81–64) – 72
• 64 – (81 – 72)
• 64 + (81 – 72)

93 – 26 + 15 =？

• 93 – (26 + 15)
• 93 – (26 – 15)
• (93 – 26) – 15
• 93 + 26 – 15

89 – 54 – 16 =？

• 89 – (54 – 16)
• (89 + 54) – 16
• 89 – (54 + 16)
• 89 – 54 + 16

120 ÷ 8 x 5 =？

• (120 ÷ 8) x 5
• 120 ÷ (8 x 5)
• 120 ÷ 5 x 8
• (120 ÷5) x 8

72 x 39 ÷ 13 =？

• 72 x 13 ÷ 39
• 72 x (39 ÷ 13)
• (72 ÷ 39) x 13

360 ÷ 90 ÷ 6 =？

• 360 ÷ (90 ÷ 6)
• (360 ÷ 6) x 90
• 360 ÷ (90 x 6)
• 360 x (90 ÷6)

828 × 28 + 828 × 22 =？

• 828 × (28 + 22)
• 828 × (28 – 22)
• 828 × 28 – 828 × 22
• 828 × (28 + 828) × 22

65 × 368 – 55 × 368 =？

• 65 × (368 – 55) × 368
• 65 × 368 + 55 × 368
• (65 + 55) × 368
• (65 – 55) × 368

384 × 26 + 164 × 26 =？

• 384 × (24 + 164) × 26
• 384 × 26 – 164 × 26
• (384 + 164) × 26
• (384 – 164) × 26

642 × 54 – 642 × 34 =？

• 642 × 54 + 642 × 34
• 642 × (54 + 34)
• 642 × (642 – 54) × 34
• 642 × (54 – 34)