Simple operation of 5.5 times 2.3 + 1.7 times 5.5

Simple operation of 5.5 times 2.3 + 1.7 times 5.5


5.5*2.3+1.7*5.5=（2.3+1.7）*5.5=4*5.5=4*5+4*0.5=20+2=22



0.25 times 3.2 times 4 is a simple operation, and 3.2 should be separated


（1）0.25x3.2x4
=0.25x4x0.8x4
=1x3.2
=3.2
(2)0.25x3.2x4
=1x3.2
=3.2



3.7 times 1.25 + 1.25 times 2.7 + 1.25 times 3.6, simple calculation


 



The simple calculation of 7 out of 8 times 4 + 0.875 divided by 1 out of 6 is a process


 

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