(7.38×1.92+20.8×0.738)÷7.38简便计算

---

(7.38×1.92+20.8×0.738)÷7.38简便计算
=（谨姿销7.38x1.92+2.08x7.38）祥游➗7.38
=7.38x（1.92+2.08）册启➗7.38
=4

---

(7.38×1.92+20.8×0.738)÷7.38
=(7.38×1.92+2.08×7.38)÷7.38
=7.38×1.92÷7.38+2.08×7.38÷7.38
=7.38÷7.38×1.92+2.08×(7.38÷7.38)
=1.92+2.08
=4

---

图郑伍姿喊绝橘纤

---