Ответ:
1.
1. 8 3/5-1 3/5=7
2). 1 3/14*7=119/14=8 7/14= 8 1/2
3) 3 3/7+ 8 1/2=24/7+17/2=48/14+119/14=167/14=11 13/14
2.
1. 2 5/9*2 1/4 =23/9*9/4=23*9/9*4=23/4
2. 6 2/9* 3/8= 56/9* 3/8=56*3/9*8=7/3
3.23/4-7/3=69/12-28/12=41/12=3 5/12
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Answers & Comments
Ответ:
1.
1. 8 3/5-1 3/5=7
2). 1 3/14*7=119/14=8 7/14= 8 1/2
3) 3 3/7+ 8 1/2=24/7+17/2=48/14+119/14=167/14=11 13/14
2.
1. 2 5/9*2 1/4 =23/9*9/4=23*9/9*4=23/4
2. 6 2/9* 3/8= 56/9* 3/8=56*3/9*8=7/3
3.23/4-7/3=69/12-28/12=41/12=3 5/12