479﹣201
=479﹣
= ,
= ;
25×36
=25× × ,
= ,
= ;
2700÷(27×25),
=2700÷ ,
= ;
= ;
98×47,
=(100 )×47,
=100×47 ×47,
= .
(1)99×6.25+6.25
(2)(5.6×0.3﹣0.68)÷0.25×4
(3)6.9﹣(0.6+4.5)÷1.7
(4)7.2÷1.25÷0.8
(5)(25.5+17.25)÷0.25+0.75
(6)2.63×2.3+2.3+6.37×2.3.
简算:
(63+480÷16)﹣29 135×8+265×8 101×99
16×125 37.16+15.5﹣14.16 (150﹣12×4)÷3.
试题篮
()