1) (3 3_11 (дробь короче) * (умножить) на 1 2_9 - 2 3_8) * 16_39=
2) (9_16+4 2_3 * 9_56) * 1 1_7= плиз, помогите!!!
2) (9_16+4 2_3 * 9_56) * 1 1_7= плиз, помогите!!!
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3 3/11-1 2/9=36/11*11/9=4
4-2 3/8=4/1-19/8=(32-19)/8=13/8
13/8*16/39=2/3
2) (9/16+4 2/3*9/56)*1 1/7= 1 1/2
4 2/3*9/56=14/3*9/56=3/4
9/16+3/4=(9+12)/16=21*16
21/16*1 1/7=21/16*8/7=3/2=1 1/2