Question

tính giá trị biểu thức

345+3339-647

234x6+847

64728+7369x7

đổi

1000000000000000m=.............................................km

7548 mm=............................................m

7092 dm=............................................cm

4628901 hm= ...............................................................dam

348mm=.......................................................................dam

 

Answer 1

345+3339-647 =3684-647 =3037 234×6+847 =1404+847 =2251 1000000000000000m=1000000000000km 7548mm=7,548m 4628901hm=46289010dam 348mm=0,00348

Answer 2

345+3339-647

=3684-647

=3037

234x6+847

=1404+847

=2251

64728+7369x7

=64728+51583

=116311

1000000000000000=1000000000000km

7548 mm=7.548m

7092 dm=70920cm

4628901 hm=46289010dam

348 mm=0.00348dam