题目内容
| 7.3×8.26+1.74×7.3 | 2.07×8÷1.2 |
| 4×88×0.25 | 2.38×4.1+5.8×2.38+0.238. |
(1)7.3×8.26+1.74×7.3,
=7.3×(8.26+1.74),
=7.3×10,
=73;
(2)2.07×8÷1.2,
=16.56÷1.2,
=13.8;
(3)4×88×0.25,
=(4×0.25)×88,
=1×88,
=88;
(4)2.38×4.1+5.8×2.38+0.238,
=2.38×4.1+5.8×2.38+2.38×0.1,
=2.38×(4.1+5.8+0.1),
=2.38×10,
=23.8.
=7.3×(8.26+1.74),
=7.3×10,
=73;
(2)2.07×8÷1.2,
=16.56÷1.2,
=13.8;
(3)4×88×0.25,
=(4×0.25)×88,
=1×88,
=88;
(4)2.38×4.1+5.8×2.38+0.238,
=2.38×4.1+5.8×2.38+2.38×0.1,
=2.38×(4.1+5.8+0.1),
=2.38×10,
=23.8.
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