口算。
①45-9 | ②24×3 | ③630÷7 | ④18×4 |
⑤180÷2 | ⑥70×60 | ⑦19×4 | ⑧26×2 |
⑨432÷4 | ⑩580-120 | ?43×20 | ?15×2 |
?60+680 | ?50×60 | ?540÷9 | ?490÷7 |
?240÷3 | ?25×3 | ?848÷8 | ?364÷4 |
?208×3 | ?30×50 | ?321÷3 | ?530÷5 |
?636÷3 | ?42×20 | ?208÷2 | ?34×20 |
?17×5 | ?16×60 | ?14×6 | ?842÷2 |
?75-8 | ?427÷7 | ?16×3 | ?560÷8 |
? 7 9 - 2 9 |
? 1 5 + 3 5 |
? 5 17 + 8 17 |
? 7 11 - 2 11 |
?28×3 | ?400÷8 | ?13×70 | ?750-300 |
【答案】①36;
②72;
③90;
④72;
⑤90;
⑥4200;
⑦76;
⑧52;
⑨108;
⑩460;
?860;
?30;
?740;
?3000;
?60;
?70;
?80;
?75;
?106;
?91;
?624;
?1500;
?107;
?106;
?212;
?840;
?104;
?680;
?85;
?960;
?84;
?421;
?67;
?61;
?48;
?70;
?;
?;
?;
?;
?84;
?50;
?910;
?450。
②72;
③90;
④72;
⑤90;
⑥4200;
⑦76;
⑧52;
⑨108;
⑩460;
?860;
?30;
?740;
?3000;
?60;
?70;
?80;
?75;
?106;
?91;
?624;
?1500;
?107;
?106;
?212;
?840;
?104;
?680;
?85;
?960;
?84;
?421;
?67;
?61;
?48;
?70;
?
5
9
?
4
5
?
13
17
?
5
11
?84;
?50;
?910;
?450。
【解答】
【點(diǎn)評】
聲明:本試題解析著作權(quán)屬菁優(yōu)網(wǎng)所有,未經(jīng)書面同意,不得復(fù)制發(fā)布。
發(fā)布:2024/12/21 1:30:3組卷:5引用:1難度:0.8
相似題
-
1.
直接寫出得數(shù).
3-=13-12÷12+12=1249×9+49= 3.72+22.8= ×45=45÷49=3436× =748-712=1300.125×1.6×0.8= 發(fā)布:2025/2/26 11:30:1組卷:11引用:3難度:0.7 -
2.計算:(能簡算要簡算):
+35-2356-78+51216
10--1434+(58-23)58
6.39-+3.61-47.37發(fā)布:2025/2/26 9:30:2組卷:1引用:1難度:0.7 -
3.
直接計算 +34=14-12=13×35=12×12=38÷3=12÷38=32-56=16÷57=1021發(fā)布:2025/2/26 11:0:1組卷:101引用:35難度:0.7