分析:(1)(2)根據(jù)整數(shù)加減法的運(yùn)算法則求解;(3)(4)根據(jù)小數(shù)加減法計(jì)算法則求解;(5)(6)根據(jù)乘除法計(jì)算法則求解;(7)(12)根據(jù)小數(shù)乘除法的計(jì)算法則求解;
(8)(9)根據(jù)分?jǐn)?shù)加減法的計(jì)算法則求解;(10)(11)(13)(14)根據(jù)分?jǐn)?shù)乘除法計(jì)算法則求解;(15)先算小括號(hào)里面的減法,再算括號(hào)外的乘法;(16)同時(shí)運(yùn)算乘法和除法,再算減法.
解答:解:
(1)38+202=240, |
(2)500-175=325, |
(3)16-1.5=14.5, |
(4)3.6+2.4=6, |
(5)36×5=180, |
(6)72÷12=6, |
(7)39÷1.3=30, |
(8)+=, |
(9)-=, |
(10)36×=16, |
(11)÷=, |
(12)150×0.01=1.5, |
(13)×=1, |
(14)8÷10%=80, |
(15)41×(-)=0, |
(16)24×-÷=14. |
點(diǎn)評(píng):完成本題要根據(jù)運(yùn)算法則認(rèn)真分析式中數(shù)據(jù),然后快速準(zhǔn)確得出答案.