混合运算基本须知

混合运算基本须知

先 × ÷，后 + -

（ ）优先算

Multiple Choice

RM117 148 + 6 × RM40 621 =

• (6 × RM40 621) + RM117 148 =

• (RM117 148 + 6) × RM40 621 =

Multiple Choice

9 × RM7775.90 + RM12 854.30 =

• (9 × RM7775.90) + RM12 854.30 =

• (RM7775.90 + RM12 854.30) × 9=

Multiple Choice

RM183 556.60 + 14 × RM38 809.10 =

• (RM183 556.60 + 14) × RM38 809.10 =

• (14 × RM38 809.10) + RM183 556.60 =

Multiple Choice

20 × RM17 758.05 + RM116 734.55 =

• (20 × RM17 758.05) + RM116 734.55 =

• (RM17 758.05 + RM116 734.55) × 20=

Multiple Choice

28 × (RM20 002.45 + RM8 999.70) =

• (RM20 002.45 + RM8 999.70) × 28 =

• (28 × RM20 002.45) + RM8 999.70 =

Multiple Choice

45 × RM10 693.60 + (______) = RM699 494.50

• RM699 494.50 - (45 × RM10 693.60) =

• RM699 494.50 - RM10693.60 × 45 =