口算。
①45-9 | ②24×3 | ③630÷7 | ④18×4 |
⑤180÷2 | ⑥70×60 | ⑦19×4 | ⑧26×2 |
⑨432÷4 | ⑩580-120 | ⑪43×20 | ⑫15×2 |
⑬60+680 | ⑭50×60 | ⑮540÷9 | ⑯490÷7 |
⑰240÷3 | ⑱25×3 | ⑲848÷8 | ⑳364÷4 |
㉑208×3 | ㉒30×50 | ㉓321÷3 | ㉔530÷5 |
㉕636÷3 | ㉖42×20 | ㉗208÷2 | ㉘34×20 |
㉙17×5 | ㉚16×60 | ㉛14×6 | ㉜842÷2 |
㉝75-8 | ㉞427÷7 | ㉟16×3 | ㊱560÷8 |
㊲ 7 9 - 2 9 |
㊳ 1 5 + 3 5 |
㊴ 5 17 + 8 17 |
㊵ 7 11 - 2 11 |
㊶28×3 | ㊷400÷8 | ㊸13×70 | ㊹750-300 |
【答案】①36;
②72;
③90;
④72;
⑤90;
⑥4200;
⑦76;
⑧52;
⑨108;
⑩460;
⑪860;
⑫30;
⑬740;
⑭3000;
⑮60;
⑯70;
⑰80;
⑱75;
⑲106;
⑳91;
㉑624;
㉒1500;
㉓107;
㉔106;
㉕212;
㉖840;
㉗104;
㉘680;
㉙85;
㉚960;
㉛84;
㉜421;
㉝67;
㉞61;
㉟48;
㊱70;
㊲;
㊳;
㊴;
㊵;
㊶84;
㊷50;
㊸910;
㊹450。
②72;
③90;
④72;
⑤90;
⑥4200;
⑦76;
⑧52;
⑨108;
⑩460;
⑪860;
⑫30;
⑬740;
⑭3000;
⑮60;
⑯70;
⑰80;
⑱75;
⑲106;
⑳91;
㉑624;
㉒1500;
㉓107;
㉔106;
㉕212;
㉖840;
㉗104;
㉘680;
㉙85;
㉚960;
㉛84;
㉜421;
㉝67;
㉞61;
㉟48;
㊱70;
㊲
5
9
㊳
4
5
㊴
13
17
㊵
5
11
㊶84;
㊷50;
㊸910;
㊹450。
【解答】
【点评】
声明:本试题解析著作权属菁优网所有,未经书面同意,不得复制发布。
发布:2024/12/21 1:30:3组卷:6引用:2难度:0.8
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1.
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3.
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