《2025年灵机一动小学数学口算心算三年级上册苏教版》

口算练习 47
1
707÷7=101
240÷6=40
409×3=1227
420÷6=70
555÷5=111
900÷5=180
720÷9=80
360×3=1080
84÷4+11=32
300÷3=100
104÷4=26
408÷4=102
848÷8=106
444÷4=111
240÷4=60
2
480÷6=80
663÷3=221
990÷3=330
800÷5=160
420÷7=60
720÷4=180
404×3=1212
100÷2×3=150
450÷9+9=59
120÷3=40
560÷7+80=160
262×2=524
115÷5=23
804÷4=201
375÷5=75
3
750÷5=150
900÷6=150
888÷8=111
600÷6=100
208÷4=52
400÷4=100
440÷1=440
81×9÷3=243
720÷8÷9=10
160÷2÷8=10
725×2=1450
53×3=159
715×0=0
540×4=2160
19×7+437=570

答案： 解析：本题主要考查了整数的除法、乘法以及四则运算的口算能力。
答案：
1.
$707 ÷ 7 = 101$
$240 ÷ 6 = 40$
$409 × 3 = 1227$
$420 ÷ 6 = 70$
$555 ÷ 5 = 111$
$900 ÷ 5 = 180$
$720 ÷ 9 = 80$
$360 × 3 = 1080$
$84 ÷ 4 + 11 = 32$
$300 ÷ 3 = 100$
$104 ÷ 4 = 26$
$408 ÷ 4 = 102$
$848 ÷ 8 = 106$
$444 ÷ 4 = 111$
$240 ÷ 4 = 60$
2.
$480 ÷ 6 = 80$
$663 ÷ 3 = 221$
$990 ÷ 3 = 330$
$800 ÷ 5 = 160$
$420 ÷ 7 = 60$
$720 ÷ 4 = 180$
$404 × 3 = 1212$
$100 ÷ 2 × 3 = 150$
$450 ÷ 9 + 9 = 59$
$120 ÷ 3 = 40$
$560 ÷ 7 + 80 = 160$
$262 × 2 = 524$
$115 ÷ 5 = 23$
$804 ÷ 4 = 201$
$375 ÷ 5 = 75$
3.
$750 ÷ 5 = 150$
$900 ÷ 6 = 150$
$888 ÷ 8 = 111$
$600 ÷ 6 = 100$
$208 ÷ 4 = 52$
$400 ÷ 4 = 100$
$440 ÷ 1 = 440$
$81 × 9 ÷ 3 = 243$
$720 ÷ 8 ÷ 9 = 10$
$160 ÷ 2 ÷ 8 = 10$
$725 × 2 = 1450$
$53 × 3 = 159$
$715 × 0 = 0$
$540 × 4 = 2160$
$19 × 7 + 437 = 570$