99.99*0.8+11.11*2.8

网友回答

99.99*0.8+11.11*2.8
=11.11*7.2+11.11*2.8
=11.11*（7.2+2.8）
=11.11*10
=111.1
======以下答案可供参考======
供参考答案1:
=11.11*9*0.8+11.11*2.8
=11.11*7.2+11.11*2.8
=11.11*(7.2+2.8)
=11.11*10
=111.1
供参考答案2:
99.99*0.8+11.11*2.8
=11.11×9×0.8+11.11×2.8
=11.11×（7.2+2.8）
=11.11×10
=111.1
供参考答案3:
99.99*0.8+11.11*2.8
=11.11*7.2+11.11*2.8
=11.11*（7.2+2.8）
=11.11*10
=111.1