题目内容
脱式计算。 | |||||||||
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(1)7.5+3.3-4 =10.8-4 =6.8 |
(2)14×21-36 =294-36 =258 |
(3)12×(190-80) =12×110 =1320 |
(4)48×25-32×15 =1200-480 =720 |
(5)(239-167)×25 =72×25 =1800 |
(6)5260-26×51 =5260-1326 =3934 |
(7)1300-125×4 =1300-500 =800 |
(8)23×42-69 =966-69 =897 |
(9)350+26×17 =350+442 =792 |
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