
计算(1)-20+(-14)-(-3)-13(2)-14-16×[3-(-3)2](3)(?23?56+1112)÷124(4)-10+8÷(-2)2-
计算(1)-20+(-14)-(-3)-13(2)-14-16×[3-(-3)2](3)(?23?56+1112)÷124(4)-10+8÷(-2)2-(-2)2×(-3...
计算(1)-20+(-14)-(-3)-13(2)-14-16×[3-(-3)2](3)(?23?56+1112)÷124(4)-10+8÷(-2)2-(-2)2×(-3)
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(1)原式=-20-14+3-13
=-34-10
=-44;
(2)原式=-1-
×(3-9)
=-1+1
=0;
(3)原式=-
×24-
×24+
×24
=-16-20+22
=-36+22
=-14;
(4)原式=-10+8÷4-4×(-3)
=-10+2+12
=-10+14
=4.
=-34-10
=-44;
(2)原式=-1-
1 |
6 |
=-1+1
=0;
(3)原式=-
2 |
3 |
5 |
6 |
11 |
12 |
=-16-20+22
=-36+22
=-14;
(4)原式=-10+8÷4-4×(-3)
=-10+2+12
=-10+14
=4.
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