а)37/48 :5 2/7-19/42*7 /8 +4 1/5
б)(3*2/9 -4 *1/12):(10/3-3)
в)6 2/5 :8/125 -11 1/9 :1 1/9+3 1/7
г )(3/5 *1 7/11) - 1 7 /11 : 10
РАСПИСАТЬ СРОЧНО !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
б)(3*2/9 -4 *1/12):(10/3-3)
в)6 2/5 :8/125 -11 1/9 :1 1/9+3 1/7
г )(3/5 *1 7/11) - 1 7 /11 : 10
РАСПИСАТЬ СРОЧНО !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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А)37/48 :5 2/7-19/42*7 /8 +4 1/5=-3 19\201)37\48:5 2\7=37\48*7\37= 7\48
2)19\42*7\8=19\48
3)7\48-19\48=-12\48=-1\4
4)-1\4+4 1\5=-5\20+4 4\20=-3 19\20
б)(3*2/9 -4 *1/12):(10/3-3)=1
1)3*2\9=6\9=2\3
2)4*1\12=4\12=1\3
3)2\3-1\3=1\2
4)10\3-3=10\3-9\3=1\3
5)1\3:1\3=1\3*3\1=1
в)6 2/5 :8/125 -11 1/9 :1 1/9+3 1/7=93 1\7
1)6 2\5:8\125=32\5*125\8=100
2)11 1\9:1 1\9=100\9*9\10=10
3)100-10=90
4)90+3 1\7=93 1\7
г )(3/5 *1 7/11) - 1 7 /11 : 10=9\11
1)3\5*1 7\11=3\5*18\11=54\55
2)1 7\11:10=18\11*1\10=9\55
3)54\55-9\55=45\55=9\11