1. 直接写出得数。

2.6+8.4=                 4.5×0.5=              18.6-0.6×2=

30-0.07=                 8.9÷0.01=             5.6×2×2.5=

3×109×0=              7.6÷6.08=             5.6-3.7+4.4=