999×0.7+111×3.7648+473+527简便计算

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999×0.7+111×3.7648+473+527简便计算

999×0.7+111×3.7648+473+527简便计算
999×0.7+111×3.7648+473+527简便计算

999×0.7+111×3.7648+473+527简便计算
999×0.7+111×3.7
=111*(9*0.7)+111*3.7
=111*6.3+111*3.7
=111*(6.3+3.7)
=111*10
=1110
648+473+527
=648+(473+527)
=648+1000
=1648