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一、口算。
$0.72÷2=
$0.72÷0.2=
$5.2÷2.6=
$0.83÷0.2=
$50.4÷0.8=
$11.7÷0.3=
$0.6÷0.5=
$7.8÷3.9=
$0.72÷2=
0.36
$ $5.6÷28=0.2
$ $7.5÷5=1.5
$$0.72÷0.2=
3.6
$ $5.6÷2.8=2
$ $7.5÷0.5=15
$$5.2÷2.6=
2
$ $2.01÷0.3=6.7
$ $0.85÷0.5=1.7
$$0.83÷0.2=
4.15
$ $8.8÷1.1=8
$ $0.74÷0.2=3.7
$$50.4÷0.8=
63
$ $2.08÷0.4=5.2
$ $0.96÷0.48=2
$$11.7÷0.3=
39
$ $2.07÷0.9=2.3
$ $0.25÷0.05=5
$$0.6÷0.5=
1.2
$ $3.96÷0.04=99
$ $0.44÷0.1=4.4
$$7.8÷3.9=
2
$ $4.8÷0.5=9.6
$ $1.14÷0.2=5.7
$答案
一、0.36 0.2 1.5 3.6 2 15 2 6.7 1.7 4.15 8 3.7 63 5.2 2 39 2.3 5 1.2 99 4.4 2 9.6 5.7
二、用竖式计算。
$53.01÷3.1$ $1.288÷0.56$ $9.86÷0.34$
$1.85÷0.74$ $4.176÷0.72$ $1.036÷0.28$
$53.01÷3.1$ $1.288÷0.56$ $9.86÷0.34$
$1.85÷0.74$ $4.176÷0.72$ $1.036÷0.28$
答案
二、17.1 2.3 29 2.5 5.8 3.7
