题目内容
| 240-40÷4= | 125×(8+8)= | ______÷12=6 | 2000×3+60= | ||
| 320×11÷32= | 1-
| 24×5-25×4= | 8×13×25= | ||
| 4005÷19≈ |
(1)240-40÷4,
=240-10,
=230;
(2)125×(8+8),
=125×8×2,
=1000×2,
=2000;
(3)因为6×12=72,
所以72÷12=6;
(4)2000×3+60,
=6000+60,
=6060;
(5)320×11÷32,
=320÷32×11,
=10×11,
=110;
(6)1-
=
;
(7)24×5-25×4,
=120-100,
=20;
(8)8×13×25,
=8×25×13,
=200×13,
=2600;
(9)4005÷19≈200;
故答案为:230,2000,72,6060,110,
,20,2600,200.
=240-10,
=230;
(2)125×(8+8),
=125×8×2,
=1000×2,
=2000;
(3)因为6×12=72,
所以72÷12=6;
(4)2000×3+60,
=6000+60,
=6060;
(5)320×11÷32,
=320÷32×11,
=10×11,
=110;
(6)1-
| 7 |
| 10 |
| 3 |
| 10 |
(7)24×5-25×4,
=120-100,
=20;
(8)8×13×25,
=8×25×13,
=200×13,
=2600;
(9)4005÷19≈200;
故答案为:230,2000,72,6060,110,
| 3 |
| 10 |
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