问题
解答题
计算: (1)-9×(-11)-96÷(-8); (2)7-(
(3)-22×7-(-3)×6+|-10|÷2; (4)-1100-(
|
答案
(1)原式=99+12
=111;
(2)原式=7-(
×24+3 8
×24-1 6
×24)3 4
=7-(9+4-18)
=7-(-5)
=7+5
=12;
(3)原式=-4×7-(-18)+10÷2
=-28+18+54
=-5;
(4)原式=-1-(-
)×7 30
×[49+11]4 7
=-1+
×7 30
×604 7
=1+8
=9.