计算 (1)26-17+(-5)-33(2)?23÷49×(?32)2(3)18?6÷(?2)×(?13)(4)(?3)2×[23+(?59)]
计算(1)26-17+(-5)-33(2)?23÷49×(?32)2(3)18?6÷(?2)×(?13)(4)(?3)2×[23+(?59)]....
计算 (1)26-17+(-5)-33(2)?23÷49×(?32)2(3)18?6÷(?2)×(?13)(4)(?3)2×[23+(?59)].
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(喊尺1)26-17+(-5)-33
=26+(-17)+(-5)+(-33)郑念高
=26+[(-17)高弯+(-5)+(-33)]
=26+(-55)
=-29;
(2)?23÷
×(?
)2
=-8÷
×
=-8×
×
=-
;
(3)18?6÷(?2)×(?
)
=18-6×(-
)×(-
)
=18-6×
=18-1
=17;
(4)(?3)2×[
+(?
)]
=9×[
+(-
)]
=9×
+9×(-
)
=6+(-5)
=1.
=26+(-17)+(-5)+(-33)郑念高
=26+[(-17)高弯+(-5)+(-33)]
=26+(-55)
=-29;
(2)?23÷
4 |
9 |
3 |
2 |
=-8÷
4 |
9 |
9 |
4 |
=-8×
9 |
4 |
9 |
4 |
=-
81 |
2 |
(3)18?6÷(?2)×(?
1 |
3 |
=18-6×(-
1 |
2 |
1 |
3 |
=18-6×
1 |
6 |
=18-1
=17;
(4)(?3)2×[
2 |
3 |
5 |
9 |
=9×[
2 |
3 |
5 |
9 |
=9×
2 |
3 |
5 |
9 |
=6+(-5)
=1.
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