脱式计算:(能简算的要简算)①2.4×1.5+3.6÷1.5②0.32×0.25+0.08÷4③7.38﹣5.14+3.62﹣2.86④5.4÷[0.51÷(1.2﹣1.03)].
用简便方法计算. 4.35+8.6+15.65+1.419.32﹣5.56﹣3.44 37.6﹣(7.6+3.25)5.49+2.68﹣3.49 6.27+3.83+1.738.4+3.5﹣8.4+3.5.
简便计算 355+260+140+24598×10148×125645﹣180﹣245 38×99+383500÷14÷5175×56+25×5650×25×20×40.
(28×8+72×8)×125.
101×99﹣99.
递等式计算.(能巧算的要巧算) 312×6﹣34 635×8+21 141×4﹣4×41 82×7+7×18.