A-A+
计算(1)0.5+(-14)-2.75+(-12)(2)10÷[12-(-1+113)]×6
问题详情
计算
(1)0.5+(-
(2)10÷[
(3)-32÷(-3)2+3×(-2)+|-4|
(4)-13-(1-0.5)×
(5)-7×(-
(6)-99
参考答案
(1)原式=0.5-14-2.75-12
=0.5-12-14-2.75
=0-3
=-3;
(2)原式=10÷[12-13)×6
=10×6×6
=360;
(3)原式=-9÷9-6+4
=-1-6+4
=-7+4
=-3;
(4)原式=-1-12×13×[3-9]
=1-12×13×(-6)
=1+1
=2;
(5)原式=(-7+19-5)×(-227)
=7×(-227)
=-22;
(6)(-100+117)×34
=-100×34+117×34
=-3400+2
=-3398.
考点: