Question

计算下面各题，能简算的要简算．44.28÷0.9÷4.1 &...

计算下面各题，能简算的要简算．44.28÷0.9÷4.1 0.25×0.39×49.07-22.78÷3.4 4.8×99+4.8．

Answer 1

（1）44.28÷0.9÷4.1
=49.2÷4.1
=12

（2）0.25×0.39×4
=0.25×4×0.39
=1×0.39
=0.39

（3）9.07-22.78÷3.4
=9.07-6.7
=2.37
                 
（4）4.8×99+4.8
=4.8×（99+1）
=4.8×100
=480