1.
4 (3/4×25)+2,14-(0,35%=0,35)=(4,75+2,14)-0,35=
6,89-0,35=6,54
pecahan nya 6,(54=27/50)
=6 27/50
2.0,8+2 (1/4×25)+0,4=(0,8+2,25)+0,4=3,05+0,4
=3,45
pecahan nya 3,(45=9/20)
= 3 9/20
3.
2,15-(,15+1 3/10×10)=2,15-(,0,15+1,3)=2,15-1,45
=0,70
pecahan nya (0,70=7/10)
=7/10
4.
2 (80/20=4)+7,6-3 (4/5×20)=(2+4=6)+7,6)-3,8
=13,6-3,8=9,8
pecahan nya 9,(8=4/5)
=9 4/5
5.
3,1+(40%=0,4)-1 (5/20×5=25/100)=3,1+0,4-1,25
=3,5-1,25=2,25
pecahan nya 2,(25=1/4)
=2 1/4
semga bermanfaat
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1.
4 (3/4×25)+2,14-(0,35%=0,35)=(4,75+2,14)-0,35=
6,89-0,35=6,54
pecahan nya 6,(54=27/50)
=6 27/50
2.0,8+2 (1/4×25)+0,4=(0,8+2,25)+0,4=3,05+0,4
=3,45
pecahan nya 3,(45=9/20)
= 3 9/20
3.
2,15-(,15+1 3/10×10)=2,15-(,0,15+1,3)=2,15-1,45
=0,70
pecahan nya (0,70=7/10)
=7/10
4.
2 (80/20=4)+7,6-3 (4/5×20)=(2+4=6)+7,6)-3,8
=13,6-3,8=9,8
pecahan nya 9,(8=4/5)
=9 4/5
5.
3,1+(40%=0,4)-1 (5/20×5=25/100)=3,1+0,4-1,25
=3,5-1,25=2,25
pecahan nya 2,(25=1/4)
=2 1/4
semga bermanfaat