1 1/7-23/49=8/7-23/49=33/49
33/49÷22/147=33/49×147/22=9/2
0,6÷15/4=6/10×4/15=24/150
375÷2/11=375/1÷2/11=375/1×11/2=4125/2
24/150+4125/2=24/150+309375/150=309399/150
309399/150÷2.2=309399/150÷22/10=309399/150×10/22=3093990/3300=937
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1 1/7-23/49=8/7-23/49=33/49
33/49÷22/147=33/49×147/22=9/2
0,6÷15/4=6/10×4/15=24/150
375÷2/11=375/1÷2/11=375/1×11/2=4125/2
24/150+4125/2=24/150+309375/150=309399/150
309399/150÷2.2=309399/150÷22/10=309399/150×10/22=3093990/3300=937