题目内容
| (1)8998+998+98+8 | (2)432÷24×79+589 | (3)9725-898 |
| (4)(602+741)÷(438-359) | (5)9360÷48-(95-76) | (6)924-99-624. |
(1)8998+998+98+8,
=9000+1000+100+10-4×2,
=10110-8,
=10102;
(2)432÷24×79+589,
=18×79+589,
=1422+589,
=2011;
(3)9725-898,
=9725-1000+102,
=8827;
(4)(602+741)÷(438-359),
=1343÷79,
=17;
(5)9360÷48-(95-76),
=9360÷48-19,
=195-20+1,
=176;
(6)924-99-624,
=924-624-100+1,
=300-100+1,
=201.
=9000+1000+100+10-4×2,
=10110-8,
=10102;
(2)432÷24×79+589,
=18×79+589,
=1422+589,
=2011;
(3)9725-898,
=9725-1000+102,
=8827;
(4)(602+741)÷(438-359),
=1343÷79,
=17;
(5)9360÷48-(95-76),
=9360÷48-19,
=195-20+1,
=176;
(6)924-99-624,
=924-624-100+1,
=300-100+1,
=201.
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