2025年口算训练四年级数学上册人教版双色升级版第40页答案
$120×4=$
480

$640÷8=$
80

$720÷9=$
80

$10×34=$
340

$65×10=$
650

$660÷3=$
220

$700×5=$
3500

$41×20=$
820

$30×30=$
900

$10×47=$
470

$30×23=$
690

$660÷6=$
110

$5900-5000=$
900

$11×40=$
440

$70×40=$
2800

$10×36=$
360

$80×80=$
6400

$80×50=$
4000

$590+470=$
1060

$23×40=$
920

$1000÷5=$
200

答案

解析:这些题目都是基础的数学运算题目,包括乘法、除法、加法和减法。我们将直接计算每个表达式的结果。
答案:
$120 × 4 = 480$;
$640 ÷ 8 = 80$;
$720 ÷ 9 = 80$;
$10 × 34 = 340$;
$65 × 10 = 650$;
$660 ÷ 3 = 220$;
$700 × 5 = 3500$;
$41 × 20 = 820$;
$30 × 30 = 900$;
$10 × 47 = 470$;
$30 × 23 = 690$;
$660 ÷ 6 = 110$;
$5900 - 5000 = 900$;
$11 × 40 = 440$;
$70 × 40 = 2800$;
$10 × 36 = 360$;
$80 × 80 = 6400$;
$80 × 50 = 4000$;
$590 + 470 = 1060$;
$23 × 40 = 920$;
$1000 ÷ 5 = 200$。
$200×4=
800
$
$36+56=
92
$
$88×10=
880
$
$600÷6=
100
$
$22×30=
660
$
$400+600=
1000
$
$34+29=
63
$
$800÷8=
100
$
$21×30=
630
$
$720÷8=
90
$
$33×30=
990
$
$32×20=
640
$
$87×10=
870
$
$500+40=
540
$
$22×40=
880
$
$440÷4=
110
$
$33×20=
660
$
$320÷4=
80
$
$360+450=
810
$
$700÷5=
140
$
$480÷5=
96
$

答案

解析:
这些问题都是基础的数学运算,包括乘法、加法、除法等。
这些问题旨在测试学生对基本算术运算的掌握程度。
答案:
$200 × 4 = 800$
$36 + 56 = 92$
$88 × 10 = 880$
$600 ÷ 6 = 100$
$22 × 30 = 660$
$400 + 600 = 1000$
$34 + 29 = 63$
$800 ÷ 8 = 100$
$21 × 30 = 630$
$720 ÷ 8 = 90$
$33 × 30 = 990$
$32 × 20 = 640$
$87 × 10 = 870$
$500 + 40 = 540$
$22 × 40 = 880$
$440 ÷ 4 = 110$
$33 × 20 = 660$
$320 ÷ 4 = 80$
$360 + 450 = 810$
$700 ÷ 5 = 140$
$480 ÷ 5 = 96$
$30×32=$
960

$64÷2=$
32

$58+26=$
84

$34×20=$
680

$550÷5=$
110

$800×8=$
6400

$420÷2=$
210

$63÷3=$
21

$160÷4=$
40

$800+700=$
1500

$90÷3=$
30

$58-0=$
58

$2×440=$
880

$48÷2=$
24

$480÷2=$
240

$60×50=$
3000

$2×44=$
88

$408×2=$
816

$900-210=$
690

$960+270=$
1230

$2003-290=$
1713

答案

解析:
这些问题都是基础的数学运算,包括乘法、除法、加法和减法。
我们依次计算每个表达式的结果。
答案:
$30 × 32 = 960$;
$64 ÷ 2 = 32$;
$58 + 26 = 84$;
$34 × 20 = 680$;
$550 ÷ 5 = 110$;
$800 × 8 = 6400$;
$420 ÷ 2 = 210$;
$63 ÷ 3 = 21$;
$160 ÷ 4 = 40$;
$800 + 700 = 1500$;
$90 ÷ 3 = 30$;
$58 - 0 = 58$;
$2 × 440 = 880$;
$48 ÷ 2 = 24$;
$480 ÷ 2 = 240$;
$60 × 50 = 3000$;
$2 × 44 = 88$;
$408 × 2 = 816$;
$900 - 210 = 690$;
$960 + 270 = 1230$;
$2003 - 290 = 1713$。