计算题(1)-(-2)4(2)(112)3(3)(-1)2003(4)-13-3×(-1)3(5)-23+(-3)2(6)-32÷(-3)2
计算题(1)-(-2)4(2)(112)3(3)(-1)2003(4)-13-3×(-1)3(5)-23+(-3)2(6)-32÷(-3)2(7)(-2)2-2+(-2)...
计算题(1)-(-2)4(2)(112)3(3)(-1)2003(4)-13-3×(-1)3(5)-23+(-3)2(6)-32÷(-3)2(7)(-2)2-2+(-2)3+23(8)42÷(?14)?54÷(?5)3(9)?26?(?2)4?32÷(?127)(10)-(-2)2-3÷(-1)3+0×(-2)3
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(1)-(-2)4=-16;
(2)(1
)3=(
)3=
;
(3)(-1)2003=-1;
(4)-13-3×(-1)3=-1-3×(-1)=-1+3=2;
(5)-23+(-3)2=-8+9=1;
(6)-32÷(-3)2=-9÷9=-1;
(7)(-2)2-2+(-2)3+23=4-2-8+8=2;
(8)42÷(?
)?54÷(?5)3=16×(-4)+5=-64+5=-59;
(9)?26?(?2)4?32÷(?1
)=-64-16-9×(?
)=-80+7=-73;
(10)-(-2)2-3÷(-1)3+0×(-2)3=-4-3÷(-1)+0=-4+3=-1.
(2)(1
1 |
2 |
3 |
2 |
27 |
8 |
(3)(-1)2003=-1;
(4)-13-3×(-1)3=-1-3×(-1)=-1+3=2;
(5)-23+(-3)2=-8+9=1;
(6)-32÷(-3)2=-9÷9=-1;
(7)(-2)2-2+(-2)3+23=4-2-8+8=2;
(8)42÷(?
1 |
4 |
(9)?26?(?2)4?32÷(?1
2 |
7 |
7 |
9 |
(10)-(-2)2-3÷(-1)3+0×(-2)3=-4-3÷(-1)+0=-4+3=-1.
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