1) х=3 2)х=1.2 3)хз
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1) 9076*3=27228
2)789:4=197,25
3)889+567=1456
4)1456+27228=28684
5)28684-8=28676
6)28676+197,25=28873,25
ответ : 28873,25
Х-49=71-51
х-49=20
х=20+49
х=89
Ответ: х=89.
х+27=96+24
х+27=120
х=120+27
х=93
135) ( 0.98-0.312/0.3) *5+1/6
(0.98-1.04)*5 + 1/6
-0.06*5+1/6
-0.3+1/6=- 4/30
137) ( 1.35 / 2.7 - 37 2/3*3)*0.1
(0.5-113)*0.1
-112.5*0.1=11.25
139) ( - 22/45 / 4/5 + 5/72 / (- 5/6))*3.6
-25/36 * 3.6=-2.5
141) (10-6 2/9) / 17/18 +0.1 *2.07
3 7/9 / 17/18 +0.207
4+0.207=4.207
130) (0.4*2.25-2.25)/ 1/2
(0.9-2.25) / 1/2
-1.35/ 1/2=-2.7
136) (2.7/ 1.35- 5 5/7 *14)*0.01
(2-80)*0.01
-72*0.01 = -0.72
138) 0.106/ 1/10 +(13 3/7 - 4 1/2)*0.56
1.06+8 13/14 *0.56
1.06+ 125/14 * 56/100=6.06
140) ( 33/35 / 6/7 +7/36 /(-5/6)0*1.2
13/15*1.2=1.04
