Question

口算． 4.2÷7=	0.42÷3=	7.2÷0.4=	5.4÷6=
0.09÷6=	8.1÷0.3=	5.6÷8=	0.72÷6=
9.1÷0.7=	6.3÷9=	0.45÷3=	8.4÷0.6=
7.2÷8=	0.52÷4=	6.5÷0.5=	0.57÷0.3=

Answer 1

分析：根據(jù)除法的計(jì)算方法計(jì)算，注意商的小數(shù)點(diǎn)的位置．

解答：

解：4.2÷7=0.6	0.42÷3=0.14	7.2÷0.4=18	5.4÷6=0.9
0.09÷6=0.015	8.1÷0.3=27	5.6÷8=0.7	0.72÷6=0.12
9.1÷0.7=13	6.3÷9=0.7	0.45÷3=0.15	8.4÷0.6=14
7.2÷8=0.9	0.52÷4=0.13	6.5÷0.5=13	0.57÷0.3=1.9

點(diǎn)評(píng)：本題主要考查了學(xué)生四則運(yùn)算的計(jì)算能力．注意要認(rèn)真細(xì)心．