328.4-18.4×3.2
=328.4-18 2/5×3 1/5
=328.4-294.4
=34
17.64×114-14
=17.64×(100+14)-14
=1976.96
392.8+47.2-192.8
=(392.8+47.2)-192.8
=440-192.8
=247.2
34.2÷4÷25
=34.2÷(4×25)
=34.2÷100
=0.342
328.4-18.4×3.2
=328.4-18 2/5×3 1/5
=328.4-294.4
=34
17.64×114-14
=17.64×(100+14)-14
=1976.96
392.8+47.2-192.8
=(392.8+47.2)-192.8
=440-192.8
=247.2
34.2÷4÷25
=34.2÷(4×25)
=34.2÷100
=0.342