一、口算。
$120÷20=$
$82-28=$
$640÷40=$
$360÷20=$
$700÷70=$
$30×16=$
$36÷12=$
$12+78=$
$150÷50=$
$110×6=$
$90÷45=$
$48÷16=$
$140×4=$
$160÷40=$
$450÷90=$
$91÷7=$
$240÷40=$
$23×3=$
$300÷20=$
$38+16=$
$360-90=$
$810+90=$
$140÷20=$
$640÷32=$
$120÷20=$
6
$82-28=$
54
$640÷40=$
16
$360÷20=$
18
$700÷70=$
10
$30×16=$
480
$36÷12=$
3
$12+78=$
90
$150÷50=$
3
$110×6=$
660
$90÷45=$
2
$48÷16=$
3
$140×4=$
560
$160÷40=$
4
$450÷90=$
5
$91÷7=$
13
$240÷40=$
6
$23×3=$
69
$300÷20=$
15
$38+16=$
54
$360-90=$
270
$810+90=$
900
$140÷20=$
7
$640÷32=$
20
答案
一、6 54 16 18 10 480 3 90 3 660 2 3 560 4 5 13 6 69 15 54 270 900 7 20
二、用竖式计算。
$230÷78$
$548÷91$
$966÷39$
$314÷41$
$439÷73$
$354÷33$
$230÷78$
$548÷91$
$966÷39$
$314÷41$
$439÷73$
$354÷33$
答案
二、2······74 6······2 24······30
7······27 6······1 10······24
解析
230÷78=2······74
548÷91=6······2
966÷39=24······30
314÷41=7······27
439÷73=6······1
354÷33=10······24
548÷91=6······2
966÷39=24······30
314÷41=7······27
439÷73=6······1
354÷33=10······24
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