24÷4+2×7-12=6+14-12=8
24÷(4+2)×7-12=24÷6×7-12=28-12=16
24÷4+(2×7-12)=6+2=8
(24÷4+2)×7-12=56-12=44
3*15=7(х+3)
45=7х+21
7х=45-21
7х=24
х=24/7=3 3/7
(18/2)+(18-2)=22
18/2=6
18-2=16
16+6=22
4/7*35/36*3/5=
<span>(4*35*3)/(7*36*5)=1/3
</span>
<span>90 +5/10+7/100+3/10000=</span><span>90.5703</span>
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