（2011•富源县模拟）直接写出得数（有“≈”符号的估算）0.77+0.33=41×101=9+29=23÷7=0.9-0.26=4-38-58=12×12÷12×12=12-25=3.25×4=58÷23=269÷89≈449+542≈401-199≈497×38≈．

Question

（2011•富源县模拟）直接写出得数（有“≈”符号的估算）

0.77+0.33=	41×101=	9+(2)/(9)=	(2)/(3)÷7=	0.9-0.26=
4-(3)/(8)-(5)/(8)=	(1)/(2)×(1)/(2)÷(1)/(2)×(1)/(2)=	(1)/(2)-(2)/(5)=	3.25×4=	(5)/(8)÷(2)/(3)=
269÷89≈	449+542≈	401-199≈	497×38≈．

0.77+0.33=	41×101=	9+(2)/(9)=	(2)/(3)÷7=	0.9-0.26=
4-(3)/(8)-(5)/(8)=	(1)/(2)×(1)/(2)÷(1)/(2)×(1)/(2)=	(1)/(2)-(2)/(5)=	3.25×4=	(5)/(8)÷(2)/(3)=
269÷89≈	449+542≈	401-199≈	497×38≈．

0.77+0.33= 41×101= 9+(2)/(9)= (2)/(3)÷7= 0.9-0.26=0.77+0.33=41×101=9+(2)/(9)=(2)/(9)=(2)/(9)2299(2)/(3)÷7=(2)/(3)÷7=(2)/(3)22330.9-0.26= 4-(3)/(8)-(5)/(8)= (1)/(2)×(1)/(2)÷(1)/(2)×(1)/(2)= (1)/(2)-(2)/(5)= 3.25×4= (5)/(8)÷(2)/(3)=4-(3)/(8)-(5)/(8)=(3)/(8)-(5)/(8)=(3)/(8)3388(5)/(8)=(5)/(8)5588(1)/(2)×(1)/(2)÷(1)/(2)×(1)/(2)=(1)/(2)×(1)/(2)÷(1)/(2)×(1)/(2)=(1)/(2)1122(1)/(2)÷(1)/(2)×(1)/(2)=(1)/(2)1122(1)/(2)×(1)/(2)=(1)/(2)1122(1)/(2)=(1)/(2)1122(1)/(2)-(2)/(5)=(1)/(2)-(2)/(5)=(1)/(2)1122(2)/(5)=(2)/(5)22553.25×4=(5)/(8)÷(2)/(3)=(5)/(8)÷(2)/(3)=(5)/(8)5588(2)/(3)=(2)/(3)2233 269÷89≈ 449+542≈ 401-199≈ 497×38≈．269÷89≈449+542≈401-199≈497×38≈．

Answer 1

0.77+0.33=1.1， 41×101=4141， 9+29=929， 23÷7=221， 0.9-0.26=0.64， 4-38-58=3， 12×12÷12×12=14， 12-25=110， 3.25×4=13， 58÷23=1516， 269÷89≈3， 449+542≈1000， 401-199...