能简便的要简便9.07减22.78除3.4 6.8 - 知识问答

能简便的要简便9.07减22.78除3.4 6.8加3.2除2.5 44.28除0.9除4.1 1.6乘9.8 要写完整

1个回答

9.07-22.78÷3.4
=9.07-6.7
=2.37
6.8+3.2÷2.5
=6.8+3.2x0.4
=6.8+1.28
= 8.08
44.28÷0.9÷4.1
=(44.28÷4.1)÷0.9
=10.8÷0.9
=12
1.6x9.8
=1.6x(10-0.2)
=16-0.32
= 15.68

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