Question

4.82×3.8+2.41×6.6+4.82×2.9简算？

Answer 1

4.82x3.8+2.41x6.6+4.82x2.9
=4.82x3.8+2.41x2x3.3+4.82x2.9
=4.82x3.8+4.82x3.3+4.82x2.9
=4.82x(3.8+3.3+2.9)
=4.82x10
=48.2

Answer 2

解：
4.82×3.8＋2.41×6.6＋4.82×2.9
＝4.82×（3.8＋3.3＋2.9）
＝4.82×10
＝48.2