Пошаговое объяснение:
1) (4 1/9 ·3,3+126 13/30)·1,5÷60=(37/9 ·33/10 +126 13/30)·3/2 ·1/60=((37·11)/30 +3793/30)·1/40=(407+3793)/30 ·1/40=4200/(1200)=42/12=7/2=3,5
2) (2,07·4 4/9 -7,75)·80÷23,2=(207/100 ·40/9 -775/100)·80 ÷116/5=((23·40)/100 -775/100)·80·5/116=(920-775)/100 ·20·5/29=145/29=5
3) (36,3·7/11 +2,9)÷0,52·19=(363/10 ·7/11 +29/10) ÷52/100 ·19=(33·7+29)/10 ·1900/52=(231+29) ·190/52=260 ·95/26=10·95=950
4) (17 3/22 ÷29/66 -36,75)·60=(377/22 ·66/29 -36,75)·60=(13·3-36,75)·60=(39-36,75)·60=2,25·60=9/4 ·60=9·15=135
Пошаговое объяснение:
1) (4 1/9 ·3,3+126 13/30)·1,5÷60=(37/9 ·33/10 +126 13/30)·3/2 ·1/60=((37·11)/30 +3793/30)·1/40=(407+3793)/30 ·1/40=4200/(1200)=42/12=7/2=3,5
2) (2,07·4 4/9 -7,75)·80÷23,2=(207/100 ·40/9 -775/100)·80 ÷116/5=((23·40)/100 -775/100)·80·5/116=(920-775)/100 ·20·5/29=145/29=5
3) (36,3·7/11 +2,9)÷0,52·19=(363/10 ·7/11 +29/10) ÷52/100 ·19=(33·7+29)/10 ·1900/52=(231+29) ·190/52=260 ·95/26=10·95=950
4) (17 3/22 ÷29/66 -36,75)·60=(377/22 ·66/29 -36,75)·60=(13·3-36,75)·60=(39-36,75)·60=2,25·60=9/4 ·60=9·15=135