$3×23=
$64÷2=
$58+26=
$34×2=
$550÷5=
$800×8=
$420÷2=
$63÷3=
$160÷4=
$800+700=
$640+153=
$640+333=
$320+755=
$1400+5600=
$3258+6742=
$690÷3=
$580-0=
$2×440=
$630÷3=
$630÷7=
$960÷3=
第12片
69
$$64÷2=
32
$$58+26=
84
$$34×2=
68
$$550÷5=
110
$$800×8=
6400
$$420÷2=
210
$$63÷3=
21
$$160÷4=
40
$$800+700=
1500
$$640+153=
793
$$640+333=
973
$$320+755=
1075
$$1400+5600=
7000
$$3258+6742=
10000
$$690÷3=
230
$$580-0=
580
$$2×440=
880
$$630÷3=
210
$$630÷7=
90
$$960÷3=
320
$第12片
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。我们只需要按照基本的数学运算法则进行计算即可。
答案:
$3×23 = 69$
$64÷2 = 32$
$58+26 = 84$
$34×2 = 68$
$550÷5 = 110$
$800×8 = 6400$
$420÷2 = 210$
$63÷3 = 21$
$160÷4 = 40$
$800+700 = 1500$
$640+153 = 793$
$640+333 = 973$
$320+755 = 1075$
$1400+5600 = 7000$
$3258+6742 = 10000$
$690÷3 = 230$
$580-0 = 580$
$2×440 = 880$
$630÷3 = 210$
$630÷7 = 90$
$960÷3 = 320$
这些问题都是基础的数学运算,包括乘法、除法、加法和减法。我们只需要按照基本的数学运算法则进行计算即可。
答案:
$3×23 = 69$
$64÷2 = 32$
$58+26 = 84$
$34×2 = 68$
$550÷5 = 110$
$800×8 = 6400$
$420÷2 = 210$
$63÷3 = 21$
$160÷4 = 40$
$800+700 = 1500$
$640+153 = 793$
$640+333 = 973$
$320+755 = 1075$
$1400+5600 = 7000$
$3258+6742 = 10000$
$690÷3 = 230$
$580-0 = 580$
$2×440 = 880$
$630÷3 = 210$
$630÷7 = 90$
$960÷3 = 320$
$48÷2=
$480÷2=
$102×4=
$150×4=
$510÷5=
$840÷2=
$186÷6=
$250×4=
$2400÷8=
$275+0=
$60×5=
$2×44=
$640÷8=
$120-73=
$29×3=
$640+34=
$49÷7=
$76÷4=
$760÷4=
$380+98=
$380-98=
24
$$480÷2=
240
$$102×4=
408
$$150×4=
600
$$510÷5=
102
$$840÷2=
420
$$186÷6=
31
$$250×4=
1000
$$2400÷8=
300
$$275+0=
275
$$60×5=
300
$$2×44=
88
$$640÷8=
80
$$120-73=
47
$$29×3=
87
$$640+34=
674
$$49÷7=
7
$$76÷4=
19
$$760÷4=
190
$$380+98=
478
$$380-98=
282
$答案
解析:
这些题目都是基础的数学运算题目,包括除法、乘法、加法和减法。我们可以直接进行计算。
答案:
$48 ÷ 2 = 24$
$480 ÷ 2 = 240$
$102 × 4 = 408$
$150 × 4 = 600$
$510 ÷ 5 = 102$
$840 ÷ 2 = 420$
$186 ÷ 6 = 31$
$250 × 4 = 1000$
$2400 ÷ 8 = 300$
$275 + 0 = 275$
$60 × 5 = 300$
$2 × 44 = 88$
$640 ÷ 8 = 80$
$120 - 73 = 47$
$29 × 3 = 87$
$640 + 34 = 674$
$49 ÷ 7 = 7$
$76 ÷ 4 = 19$
$760 ÷ 4 = 190$
$380 + 98 = 478$
$380 - 98 = 282$
这些题目都是基础的数学运算题目,包括除法、乘法、加法和减法。我们可以直接进行计算。
答案:
$48 ÷ 2 = 24$
$480 ÷ 2 = 240$
$102 × 4 = 408$
$150 × 4 = 600$
$510 ÷ 5 = 102$
$840 ÷ 2 = 420$
$186 ÷ 6 = 31$
$250 × 4 = 1000$
$2400 ÷ 8 = 300$
$275 + 0 = 275$
$60 × 5 = 300$
$2 × 44 = 88$
$640 ÷ 8 = 80$
$120 - 73 = 47$
$29 × 3 = 87$
$640 + 34 = 674$
$49 ÷ 7 = 7$
$76 ÷ 4 = 19$
$760 ÷ 4 = 190$
$380 + 98 = 478$
$380 - 98 = 282$
填上合适的数。
$12589\approx(
$65121\approx(
$650000= (
$31999\approx(
$9880000= (
$300000= (
$877700000\approx(
$900099999\approx(
$156120000\approx(
$8700000000= (
$4561000\approx(
$35600001\approx(
$87450123\approx(
$32000120\approx(
$870100000000= (
$6820462312\approx(
$65784\approx(
$651111\approx(
$9780\approx(
$340049000\approx(
$12589\approx(
1
)万$$65121\approx(
7
)万$$650000= (
65
)万$$31999\approx(
3
)万$$9880000= (
988
)万$$300000= (
30
)万$$877700000\approx(
9
)亿$$900099999\approx(
9
)亿$$156120000\approx(
2
)亿$$8700000000= (
87
)亿$$4561000\approx(
456
)万$$35600001\approx(
3560
)万$$87450123\approx(
8745
)万$$32000120\approx(
3200
)万$$870100000000= (
8701
)亿$$6820462312\approx(
68
)亿$$65784\approx(
7
)万$$651111\approx(
65
)万$$9780\approx(
1
)万$$340049000\approx(
3
)亿$答案
解析:本题考查的是数的估算和单位换算,主要是将给定的数转换为“万”或“亿”的单位,并进行四舍五入。
答案:
$12589\approx( 1 )$万
$65121\approx( 7 )$万
$650000= ( 65 )$万
$31999\approx( 3 )$万
$9880000= ( 988 )$万
$300000= ( 30 )$万
$877700000\approx( 9 )$亿
$900099999\approx( 9 )$亿
$156120000\approx( 2 )$亿
$8700000000= ( 87 )$亿
$4561000\approx( 456 )$万
$35600001\approx( 3560 )$万
$87450123\approx( 8745 )$万
$32000120\approx( 3200 )$万
$870100000000= ( 8701 )$亿
$6820462312\approx( 68 )$亿
$65784\approx( 7 )$万
$651111\approx( 65 )$万
$9780\approx( 1 )$万
$340049000\approx( 3 )$亿
答案:
$12589\approx( 1 )$万
$65121\approx( 7 )$万
$650000= ( 65 )$万
$31999\approx( 3 )$万
$9880000= ( 988 )$万
$300000= ( 30 )$万
$877700000\approx( 9 )$亿
$900099999\approx( 9 )$亿
$156120000\approx( 2 )$亿
$8700000000= ( 87 )$亿
$4561000\approx( 456 )$万
$35600001\approx( 3560 )$万
$87450123\approx( 8745 )$万
$32000120\approx( 3200 )$万
$870100000000= ( 8701 )$亿
$6820462312\approx( 68 )$亿
$65784\approx( 7 )$万
$651111\approx( 65 )$万
$9780\approx( 1 )$万
$340049000\approx( 3 )$亿
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