Jawaban:
1.325-(-125)+450
=325+125+450
=450+450=900
2.860×(12.800÷400)
=860×32=27.250
3.4/5×100=100÷5=20
4×20=80
4.3,75
4/6=0,66
3,75-0,66=3,09
50%=0,500
1/8=0,125
0,500-0,125=0,375
3,09×0,375=1,15875
5.π×d
=22/7×56=56:7=8
=22×8=176cm
6.d=100,r=100:2=50
=π×r×r
=3,14×50×50=7.850
7.(1/2×l.alas)×T
(1/2×225)×18
=2:18=9
=225×9=2.025
8.√5.832=18
LP.Kubus=6×S×S
=6×18×18=1.944
Penjelasan dengan langkah-langkah:
Silahkan
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Jawaban:
1.325-(-125)+450
=325+125+450
=450+450=900
2.860×(12.800÷400)
=860×32=27.250
3.4/5×100=100÷5=20
4×20=80
4.3,75
4/6=0,66
3,75-0,66=3,09
50%=0,500
1/8=0,125
0,500-0,125=0,375
3,09×0,375=1,15875
5.π×d
=22/7×56=56:7=8
=22×8=176cm
6.d=100,r=100:2=50
=π×r×r
=3,14×50×50=7.850
7.(1/2×l.alas)×T
(1/2×225)×18
=2:18=9
=225×9=2.025
8.√5.832=18
LP.Kubus=6×S×S
=6×18×18=1.944
Penjelasan dengan langkah-langkah:
Silahkan