(1)8+(-1/4)-5+(-0.25) (2)(-12)%(-12)%(-100)
1.(-2 3/4)+(+12 5/7)+(-4.125)+(+0.75)+(+1/8);
(1):[(8/9+1又1/3)×3/4-0.25]÷1/12 (2):(2又1/2003×9又5/8+2002/200
求不定积分 (1) (2) (3) (4) (5) (6) (7) ; (8) (9) (10) (11) (12)
脱式计算能简算的要简算(1)7分之12-(7分之5+0.5)(2)[1-(0.25+8分之3)]除以4分之1
计数:(-2/5)²÷(-12/5)-8/21×(-7/4)-0.25
0.3/5/6+5/2 3/7/21*7/9 12/5/(1-9/4) 【1-(8/1+0.25)】/12/5 简便运算
计算题:(1)(-12)+(+12)-(-6) (2)【(-5)-(+9)】-(-4) (3)8
算24点:(1)1 5 9 12 (2)1 6 10 13 (3)2 4 8 11(4)3 5 12 12
(-41)+18+(-39)+12,(+0.25)-(-3又8分之1)-(+4分之1)+(-5又8分之3)
(- 2又4分之3 )+( + 12又7分之5 )+(+ 0.75)+(+ 8分之1 )+(- 4.125 )
-4+(-12)+0.5+8+(-1/2)简便运算
初一数学(1).(-4/9)×(-2.3)×(+8/9) (2).(7/9-5/12+2-11/6)×(-36) (3)