用简便方法计算.
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| (1)168-52-48 =168-(52+48) =168-100 =68; (2)125×88 =125×(8×11) =125×8×11 =1000×11 =11000; (3)1300÷25÷4 =1300÷(25×4) =1300÷100 =13; (4)37+125+63+175 =(37+63)+(125+175) =100+300 =400; (5)156×l0l-156 =156×(101-1) =156×100 =15600; (6)8×29×l25 =8×125×29 =1000×29 =29000. |
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