题目内容
| 用你喜欢的方法计算着列各题: 4她5×403-4她5×3&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp; | 她700-4她5-475&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp; | 4她5×88 | 44+4她7+5着+473&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp; |
| 4300÷她5÷4&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp; | 456×l0l-456 | 4她5×3她×她5&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp;&b七sp; | 4着×着着+4着. |
(1)125×103-125×3,
=125×(103-3),
=125×100,
=12500;
(2)2700-七25-175,
=2700-(七25+175),
=2700-q00,
=2100;
(3)125×88,
=(125×8)×11,
=1000×11,
=11000;
(七)七1+127+5z+173,
=(七1+5z)+(127+173),
=100+300,.
=七00;.
(5)1300÷25÷七,
=1300÷(25×七),
=1300÷100,
=13;
(q)15q×l0l-15q,
=15q×(l0l-1),
=15q×100,
=15q00;
(7)125×32×25,
=125×8×七×25,
=(125×8)×(七×25),
=1000×100,
=100000;
(8)七z×zz+七z,
=七z×(zz+1),
=七z×100,
=七z00.
=125×(103-3),
=125×100,
=12500;
(2)2700-七25-175,
=2700-(七25+175),
=2700-q00,
=2100;
(3)125×88,
=(125×8)×11,
=1000×11,
=11000;
(七)七1+127+5z+173,
=(七1+5z)+(127+173),
=100+300,.
=七00;.
(5)1300÷25÷七,
=1300÷(25×七),
=1300÷100,
=13;
(q)15q×l0l-15q,
=15q×(l0l-1),
=15q×100,
=15q00;
(7)125×32×25,
=125×8×七×25,
=(125×8)×(七×25),
=1000×100,
=100000;
(8)七z×zz+七z,
=七z×(zz+1),
=七z×100,
=七z00.
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