Спримерами) 1)(1 9/16 * 3 1/5 + 1 2/3 - 9: 2 2/5) : (17 7/12 - 6 1/3)= 2) (2 13/48+2 5/12) : 3 3/4 - 9 3/4 : 12=
117
284
Ответы на вопрос:
1)(1 9/16 * 3 1/5 + 1 2/3 - 9: 2 2/5) : (17 7/12 - 6 1/3)= 1 9/16×3 1/5=25/16×16/5=5 9: 2 2/5=9×5/12=15/4 5-15/4=20/4-15/4=5/4 5/4+1 2/3=5/4+5/3=15/12+20/12=35/12 17 7/12-6 1/3=11+(7/12-1/3)=11+(7/12-4/12)= 11 1/4=45/4 35/12×4/45=7/27 2) (2 13/48+2 5/12) : 3 3/4 - 9 3/4 : 12= 2 13/48+2 5/12=4+(13/48+20/48)=4 33/48= 225/48 225/48×4/15=15/12=5/4 9 3/4: 12=39/4×1/12=39/48=13/16 5/4-13/16=20/16-13/16=7/16
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