直接写出得数．870-70=570+70=65+35=560×0=126×3=20×3+98=40×5×5=30×9-30=302×2≈198×5≈47+27=45+15=

Question

直接写出得数．

870-70=	570+70=	65+35=	560×0=
126×3=	20×3+98=	40×5×5=	30×9-30=
302×2≈	198×5≈	(4)/(7)+(2)/(7)=	(4)/(5)+(1)/(5)=

直接写出得数．

870-70=	570+70=	65+35=	560×0=
126×3=	20×3+98=	40×5×5=	30×9-30=
302×2≈	198×5≈	(4)/(7)+(2)/(7)=	(4)/(5)+(1)/(5)=

870-70=	570+70=	65+35=	560×0=
126×3=	20×3+98=	40×5×5=	30×9-30=
302×2≈	198×5≈	(4)/(7)+(2)/(7)=	(4)/(5)+(1)/(5)=

870-70=570+70=65+35=560×0=126×3=20×3+98=40×5×5=30×9-30=302×2≈198×5≈(4)/(7)+(2)/(7)=(4)/(5)+(1)/(5)=870-70=570+70=65+35=560×0=870-70=570+70=65+35=560×0=126×3=20×3+98=40×5×5=30×9-30=126×3=20×3+98=40×5×5=30×9-30=302×2≈198×5≈(4)/(7)+(2)/(7)=(4)/(5)+(1)/(5)=302×2≈198×5≈(4)/(7)+(2)/(7)=(4)/(7)+(2)/(7)=(4)/(7)474477(2)/(7)=(2)/(7)272277(4)/(5)+(1)/(5)=(4)/(5)+(1)/(5)=(4)/(5)454455(1)/(5)=(1)/(5)151155

Answer 1

870-70=800	570+70=640	65+35=100	560×0=0
126×3=378	20×3+98=158	40×5×5=1000	30×9-30=240
302×2≈600	198×5≈1000	(4)/(7)+(2)/(7)=(6)/(7)	(4)/(5)+(1)/(5)=1

870-70=800570+70=64065+35=100560×0=0126×3=37820×3+98=15840×5×5=100030×9-30=240302×2≈600198×5≈1000(4)/(7)+(2)/(7)=(6)/(7)(4)/(5)+(1)/(5)=1870-70=800570+70=64065+35=100560×0=0870-70=800870-70=800570+70=640570+70=64065+35=10065+35=100560×0=0560×0=0126×3=37820×3+98=15840×5×5=100030×9-30=240126×3=378126×3=37820×3+98=15820×3+98=15840×5×5=100040×5×5=100030×9-30=24030×9-30=240302×2≈600198×5≈1000(4)/(7)+(2)/(7)=(6)/(7)(4)/(5)+(1)/(5)=1302×2≈600302×2≈600198×5≈1000198×5≈1000(4)/(7)+(2)/(7)=(6)/(7)(4)/(7)+(2)/(7)=(6)/(7)(4)/(7)47444777+(2)/(7)=(6)/(7)(2)/(7)27222777=(6)/(7)(6)/(7)67666777(4)/(5)+(1)/(5)=1(4)/(5)+(1)/(5)=1(4)/(5)45444555+(1)/(5)=1(1)/(5)15111555=1