Ответ:
27:3.4=7.9
20 +4.7=24.7
4.5 + 65 =69.5
6.4+ 37 =43.4
6.3 + 12:4=9.3
24+ (57 - 30)=51
27:3.4=7,94...
20+4.7=24.7
4.5+65=69.5
6.4+37=43.4
6.3+12:4=12:4=3+6.3=9.3
24+(57-30)=57-30=27+24=51.
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Ответ:
27:3.4=7.9
20 +4.7=24.7
4.5 + 65 =69.5
6.4+ 37 =43.4
6.3 + 12:4=9.3
24+ (57 - 30)=51
27:3.4=7,94...
20+4.7=24.7
4.5+65=69.5
6.4+37=43.4
6.3+12:4=12:4=3+6.3=9.3
24+(57-30)=57-30=27+24=51.