Question

计算： (16 8 247 ×2.375+12 4 285 ×4.75)×19.98 6.66×(48×2- 167

计算： (16 8 247 ×2.375+12 4 285 ×4.75)×19.98 6.66×(48×2- 167 195 ) =______．

Answer 1

(16 8 247 ×2.375+12 4 285 ×4.75)×19.98 6.66×(48×2- 167 195 ) = [(16+ 8 247 )× 19 8 +(12+ 4 285 )× 19 4 ]×19.98 6.66×(96- 167 195 ) ， = (16× 19 8 + 8 247 × 19 8 +12× 19 4 + 4 285 × 19 4 )×3 95 28 195 ， = (38+ 1 13 +57+ 1 15 )×3 95 28 195 ， = (95+ 28 195 )×3 95 28 195 ， =3． 故答案为：3．