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1 有理数的混合运算(40道题)
1、【基础题】计算:
(1)618-÷)(-)(-312;
(2))(-+51232;
(3))(-)(-49+)(-60÷12;
(4)23)(-×[ )+(--9532 ].
2、【基础题】计算:
(1))(-)+(-2382;
(2)100÷22)(--)(-2÷)(-32;
(3))(-4÷)(-)(-343;
(4))(-31÷231)(--3214)(-.
3、【基础题】计算:
(1)36×23121)-(;
(2)12.7÷)(-1980;
(3)6342+)(-;
(4))(-43×)-+(-31328;
(5)1323-)(-÷)(-21; .....................最新资料整理推荐.....................
2
(6)320-÷34)(-81-;
(7)236.15.02)-(-)(-÷22)(-;
(8))(-23×[ 2322-)(- ];
(9)[ 2253)-(-)(- ]÷)(-2;
(10)16÷)(-)-(-)(-48123.
4、【基础题】计算:
(1)11+(-22)-3×(-11);
(2)0313243)-(-)(-;
(3)2332-)(-;
(4)23÷[ )-(-)(-423];
(5))-(8743÷)(-87;
(6))+()(-654360;
(7)-27+2×23+(-6)÷231;
(8))(-)-+-(-4151275420361.
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3 5、【基础题】计算:
(1))-(-258÷)(-5;
(2)-33121)(--;
(3)223232)-(-)(-;
(4)0132432)+(-)(-;
(5))(-+51262;
(6)-10+8÷22-4×3;
(7)-51-55.24.0;
(8)251-(1-0.5)×31;
6、【基础题】计算:
(1)(-8)×5-40;
(2)(-1.2)÷(-13)-(-2);
(3)-20÷5×14+5×(-3)÷15;
(4)-3[-5+(1-0.2÷35)÷(-2)];
(5)-23÷153×(-131)2÷(132)2;
(6)-52+(1276185)×(-2.4)
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4
参考答案
1、【答案】 (1)17; (2)511;
(3)31; (4)-11
2、【答案】 (1)-10; (2)22; (3)-16; (4)-25
3、【答案】 (1)1; (2)0;
(3)42; (4)423; (5)18;
(6)0; (7)-4.64;
(8)37; (9)8; (10)-25.
4、【答案】 (1)22; (2)0;
(3)-17; (4)-423; (5)71; (6)-95; (7)-85;
(8)6 .
5、【答案】 (1)3; (2)1; (3)-54; (4)0; (5)526; (6)-20; (7)-2; (8)-67.
6、【答案】(1)-80; (2)5.6;
(3)-2; (4)16; (5)-516; (6)-2.9