выполните умножение 1) 6 1\6* ( - 1 2\11) 2) -1 3\7 * 2 4\5 3) -2 2\7 * 3 1\4 4) 1 3\5 * ( -3 3\4) 5) 2 1\2 * (-2 2\15) 6) -1 9\11 * 2 19\40
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2)1 3\7 * 2 4\5 =-10/7*14/5=-2*2=-4
3)-2 2\7 * 3 1\4=-16/7*13/4=-4/7*13=-52/7=7 3/7
4)1 3\5 * ( -3 3\4)=8/5*(-15/4)=-2*3=-6
5)2 1\2 * (-2 2\15)=5/2*(-32/15)=-16/3=-5 1/3
6)-1 9\11 * 2 19\40=-20/11*99/40=-9/2=-4 1/2