2025年暑假乐园三年级数学人教版辽宁师范大学出版社
注:目前有些书本章节名称可能整理的还不是很完善,但都是按照顺序排列的,请同学们按照顺序仔细查找。练习册 2025年暑假乐园三年级数学人教版辽宁师范大学出版社 答案主要是用来给同学们做完题方便对答案用的,请勿直接抄袭。
$2700 ÷ 9 =$
$1200 ÷ 4 =$
$100 × 30 =$
$15 × 20 =$
$6300 ÷ 9 =$
$14 × 60 =$
$360 ÷ 4 =$
$10 × 40 =$
$12 × 20 =$
$80 × 25 =$
$16 × 60 =$
$420 ÷ 6 =$
300
$70 × 9 =$630
$1200 ÷ 4 =$
300
$30 × 40 =$1200
$100 × 30 =$
3000
$2400 ÷ 6 =$400
$15 × 20 =$
300
$250 ÷ 5 =$50
$6300 ÷ 9 =$
700
$20 × 80 =$1600
$14 × 60 =$
840
$90 × 12 =$1080
$360 ÷ 4 =$
90
$55 ÷ 5 =$11
$10 × 40 =$
400
$50 × 30 =$1500
$12 × 20 =$
240
$900 ÷ 3 =$300
$80 × 25 =$
2000
$480 ÷ 8 =$60
$16 × 60 =$
960
$13 × 70 =$910
$420 ÷ 6 =$
70
$100 × 26 =$2600
答案:
【解析】:本题可根据整数乘除法的运算法则分别计算各算式的结果。
对于除法运算,如$2700÷9$,可先计算$27÷9 = 3$,再在商的末尾添上$2$个$0$,即$2700÷9 = 300$;同理计算其他除法算式。
对于乘法运算,如$70×9$,先计算$7×9 = 63$,再在积的末尾添上$1$个$0$,即$70×9 = 630$;同理计算其他乘法算式。
【答案】:$300$;$630$;$300$;$1200$;$3000$;$400$;$300$;$50$;$700$;$1600$;$840$;$1080$;$90$;$11$;$400$;$1500$;$240$;$300$;$2000$;$60$;$960$;$910$;$70$;$2600$
对于除法运算,如$2700÷9$,可先计算$27÷9 = 3$,再在商的末尾添上$2$个$0$,即$2700÷9 = 300$;同理计算其他除法算式。
对于乘法运算,如$70×9$,先计算$7×9 = 63$,再在积的末尾添上$1$个$0$,即$70×9 = 630$;同理计算其他乘法算式。
【答案】:$300$;$630$;$300$;$1200$;$3000$;$400$;$300$;$50$;$700$;$1600$;$840$;$1080$;$90$;$11$;$400$;$1500$;$240$;$300$;$2000$;$60$;$960$;$910$;$70$;$2600$
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