7-1= 7-2= 7-3= 7-4= 7-5= 7-6= 8-1= 8-2= 8-3= 8-4= 8-5= 8-6= 8-7= 9-1= 9-2= 9-3= 9-4=——青夏教育精英家教网——

摘要：7-1= 7-2= 7-3= 7-4= 7-5= 7-6= 8-1= 8-2= 8-3= 8-4= 8-5= 8-6= 8-7= 9-1= 9-2= 9-3= 9-4= 9-5= 9-6= 9-7=

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42.4+7.6=	1.58+2.42=	23.5+76.5÷0.25=	7.8-5.6=
1.25×4=	34.6÷0.2×4=	0.24÷0.3=	7.8×0.5=
1÷0.2-1×0.2=	57÷5.7=	8.1-0.05=	0.2×0.5=

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1.7×3=	5.2×4=	9.2×5=	2.25×10=
1.25×8=	0.32÷4=	9.6÷6=	6.8÷4=
0.6÷5=	8.4÷42=

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3□7×6≈2400中的□可填（　　）

C．5.6.7.8.9．

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0.8×1 = = 0.8	25×0.4 = = 0.4×25	0.2×0.05 = = 0.02×0.5
7.8 ＜＜ 7.8×9.2	5.6×0.5 ＞＞ 0.5×3.6	0.36×0.095 ＜＜ 0.36
5.9×1.06 ＞＞ 1.06	7.2×0.12 ＜＜ 7.2×0.13	358 ＞＞ 358×0.65

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