вычеслите по действиям:
а)24,15:2,3-3,6*(17,2*0,125+0,85)+2 1/2:1/2=
б)3,5*((16.875- 2/3*1 5/16)-(0.35+8 4/5))*100
a) 1. 17.2*0.125=2.15
2. 2.15+0.85=3
3. 3*3.6=10.8
4. 24.15/2.3=10.5
5. 2 1/2/1/2=2
6. 10.5-10.8+2= 1.7
b) 1. 2/3*1 5/16=2/3*21/16=7/8=0.875
2.16.875-0.875=16
3. 0.35-8.8=-8.45
4. 16-(-8.45)=24.45
5. 3.5*24.45=85.575
6. 85.575*100=8557.5.
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Answers & Comments
a) 1. 17.2*0.125=2.15
2. 2.15+0.85=3
3. 3*3.6=10.8
4. 24.15/2.3=10.5
5. 2 1/2/1/2=2
6. 10.5-10.8+2= 1.7
b) 1. 2/3*1 5/16=2/3*21/16=7/8=0.875
2.16.875-0.875=16
3. 0.35-8.8=-8.45
4. 16-(-8.45)=24.45
5. 3.5*24.45=85.575
6. 85.575*100=8557.5.