初一数学口算题大全
@戎闸3997：初一口算题50题带答案 - 作业帮
周泪15154817835…… [答案] 2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*9...
@戎闸3997：初一计算题200道不管加减乘除混合运算,不管一元一次方程,都要. - 作业帮
周泪15154817835…… [答案] 有理数练习 练习一(B级) (一)计算题: (1)23+(-73) (2)(-84)+(-49) (3)7+(-2.04) (4)4.23+(-7.57) (5)(-7/3)+(-7/6) (6)9/4+(-3/2) (7)3.75+(2.25)+5/4 (8)-3.75+(+5/4)+(-1.5) (二)用简便方法计算: (1)(-17/4)+(-10/3)+(+13/3)+(11/3) (2)(-...
@戎闸3997：初一有理数口算题100道求求大家了,给小弟100道口算题吧,做起来越方便越好的那种口算, - 作业帮
周泪15154817835…… [答案] 2 * 4 = ( ) 8 - 1 = ( ) 10 + 54 = ( ) 64 - 5 = ( ) 2 + 64 = ( ) 1 * 8 = ( ) 22 - 7 = ( ) 39 - 23 = ( ) 82 - 78 = ( ) 3 * 5 = ( ) 47 + 25 = ( ) 57 + 43 = ( ) 8 * 1 = ( ) 5 + 28 = ( ) 5 + 43 = ( ) 62 - 60 = ( ) 2 * 8 = ( ) 2 + 35 = ( ) 68 - 15 = ( ) 2 * 8 = ( ) 1 * 7 = ( ) 17 + 7 = ( ) 3 * 9 ...
@戎闸3997：初中口算题40道急需 - 作业帮
周泪15154817835…… [答案] 1.(1+1/2)(1+1/3)(1+1/4).(1+1/100) 2.(1-1/2)(1-1/3)(1-1/4).(1-1/100) 3.8+2-8+2 4.25*4/25*4 5.7.26-(5.26-1.5) 6.286+198 7.314-202 8.526+301 9.223-99 10.6.25+3.85-2.125+3.875 11.9-2456*21 12.0.5/11.5-4*2...
@戎闸3997：急求60道数学算术题(能口算的)必须是初一学的算术题如:16 - ( - 8又1/3) - (+4又2/3) - 作业帮
周泪15154817835…… [答案] 200*30= 42*4= 63-7= 230*20= 130*3= 60*50= 150÷3= 260*2= 75-26= 21*40= 35*20= 15*80= 300*6= 15*8= 23*30= 51÷... 3.6÷0.06= 5.6÷0.8= 5.6÷1.4= 0.48÷0.8= 4.4÷0.11= 4.2*3 = 3.2*0.4= 0.3÷0.01= 4÷0.5= 5.1÷0.17= 0.28÷1.4= 0.9÷0.45= 9.6÷16...
@戎闸3997：初中口算练习题 - 作业帮
周泪15154817835…… [答案] 1.(1+1/2)(1+1/3)(1+1/4).(1+1/100) 2.(1-1/2)(1-1/3)(1-1/4).(1-1/100) 3.8+2-8+2 4.25*4/25*4 5.7.26-(5.26-1.5) 6.286+198 7.314-202 8.526+301 9.223-99 10.6.25+3.85-2.125+3.875 11.9-2456*21 12.0.5/11.5-4*2...
@戎闸3997：80道口算速求(初中简单) - 作业帮
周泪15154817835…… [答案] 1.(1+1/2)(1+1/3)(1+1/4).(1+1/100) 2.(1-1/2)(1-1/3)(1-1/4).(1-1/100) 3.8+2-8+2 4.25*4/25*4 5.7.26-(5.26-1.5) 6.286+198 7.314-202 8.526+301 9.223-99 10.6.25+3.85-2.125+3.875 11.9-2456*21 12.0.5/11.5-4*2...
@戎闸3997：初中数学智慧口算题 - 作业帮
周泪15154817835…… [答案] 7(2x-1)-3(4x-1)=4(3x+2)-1; (5y+1)+ (1-y)= (9y+1)+ (1-3y); 20%+(1-20%)(320-x)=320*40% 2(x-2)+2=x+1 2(x-2)-3(4x-1)=9(1-x) x/3 -5 = (5-x)/2 2(x+1) /3=5(x+1) /6 -1 (1/5)x +1 =(2x+1)/4 (5-2)/2 - (4+x)/3 =...
@戎闸3997：求100道有理数混合运算口算题(初中水平)最好有答案,谢谢!没有也不勉强!(*^__^*) 嘻嘻 - 作业帮
周泪15154817835…… [答案] 102*(-4.5)-(-3)*(-5) ÷2 7.8*6.9+2.2*6.9 (-2)+2-(-52)*(-1) *5+87÷(-3)*(-1) 5.6*0.258*(20-1.25) (-7.1) *〔(-3)*(-5)〕÷2 -2.5*(-4.8)*(0.09)÷(-0.27) 127+352+73+44*(-2) 89*276+(-135)-33 25*71+75÷29 -88÷(-2) 243+89+111+57 9405-2940÷28*21 920-...
@戎闸3997：初一数学计算题
周泪15154817835…… 98x102x2004=(100-2)*(100+2)*2004=(10000-4)*2004=20040000-8016=20031984
周泪15154817835…… [答案] 2/1*2=1 3/1*3=1 3/2*3=2 3/1*6=2 4/3*8=6 5/3*20=12 7/3*14=6 8/7*40=35 4/3*16=12 9/5*27=15 2/1*30=15 12/7*24=14 30/1*30=1 51/9*102=18 19/9*76=36 4/9*8=18 5/8*90=144 99/98*99=98 3/14*6=28 7/1*28=4 10/1*9...
@戎闸3997：初一计算题200道不管加减乘除混合运算,不管一元一次方程,都要. - 作业帮
周泪15154817835…… [答案] 有理数练习 练习一(B级) (一)计算题: (1)23+(-73) (2)(-84)+(-49) (3)7+(-2.04) (4)4.23+(-7.57) (5)(-7/3)+(-7/6) (6)9/4+(-3/2) (7)3.75+(2.25)+5/4 (8)-3.75+(+5/4)+(-1.5) (二)用简便方法计算: (1)(-17/4)+(-10/3)+(+13/3)+(11/3) (2)(-...
@戎闸3997：初一有理数口算题100道求求大家了,给小弟100道口算题吧,做起来越方便越好的那种口算, - 作业帮
周泪15154817835…… [答案] 2 * 4 = ( ) 8 - 1 = ( ) 10 + 54 = ( ) 64 - 5 = ( ) 2 + 64 = ( ) 1 * 8 = ( ) 22 - 7 = ( ) 39 - 23 = ( ) 82 - 78 = ( ) 3 * 5 = ( ) 47 + 25 = ( ) 57 + 43 = ( ) 8 * 1 = ( ) 5 + 28 = ( ) 5 + 43 = ( ) 62 - 60 = ( ) 2 * 8 = ( ) 2 + 35 = ( ) 68 - 15 = ( ) 2 * 8 = ( ) 1 * 7 = ( ) 17 + 7 = ( ) 3 * 9 ...
@戎闸3997：初中口算题40道急需 - 作业帮
周泪15154817835…… [答案] 1.(1+1/2)(1+1/3)(1+1/4).(1+1/100) 2.(1-1/2)(1-1/3)(1-1/4).(1-1/100) 3.8+2-8+2 4.25*4/25*4 5.7.26-(5.26-1.5) 6.286+198 7.314-202 8.526+301 9.223-99 10.6.25+3.85-2.125+3.875 11.9-2456*21 12.0.5/11.5-4*2...
@戎闸3997：急求60道数学算术题(能口算的)必须是初一学的算术题如:16 - ( - 8又1/3) - (+4又2/3) - 作业帮
周泪15154817835…… [答案] 200*30= 42*4= 63-7= 230*20= 130*3= 60*50= 150÷3= 260*2= 75-26= 21*40= 35*20= 15*80= 300*6= 15*8= 23*30= 51÷... 3.6÷0.06= 5.6÷0.8= 5.6÷1.4= 0.48÷0.8= 4.4÷0.11= 4.2*3 = 3.2*0.4= 0.3÷0.01= 4÷0.5= 5.1÷0.17= 0.28÷1.4= 0.9÷0.45= 9.6÷16...
@戎闸3997：初中口算练习题 - 作业帮
周泪15154817835…… [答案] 1.(1+1/2)(1+1/3)(1+1/4).(1+1/100) 2.(1-1/2)(1-1/3)(1-1/4).(1-1/100) 3.8+2-8+2 4.25*4/25*4 5.7.26-(5.26-1.5) 6.286+198 7.314-202 8.526+301 9.223-99 10.6.25+3.85-2.125+3.875 11.9-2456*21 12.0.5/11.5-4*2...
@戎闸3997：80道口算速求(初中简单) - 作业帮
周泪15154817835…… [答案] 1.(1+1/2)(1+1/3)(1+1/4).(1+1/100) 2.(1-1/2)(1-1/3)(1-1/4).(1-1/100) 3.8+2-8+2 4.25*4/25*4 5.7.26-(5.26-1.5) 6.286+198 7.314-202 8.526+301 9.223-99 10.6.25+3.85-2.125+3.875 11.9-2456*21 12.0.5/11.5-4*2...
@戎闸3997：初中数学智慧口算题 - 作业帮
周泪15154817835…… [答案] 7(2x-1)-3(4x-1)=4(3x+2)-1; (5y+1)+ (1-y)= (9y+1)+ (1-3y); 20%+(1-20%)(320-x)=320*40% 2(x-2)+2=x+1 2(x-2)-3(4x-1)=9(1-x) x/3 -5 = (5-x)/2 2(x+1) /3=5(x+1) /6 -1 (1/5)x +1 =(2x+1)/4 (5-2)/2 - (4+x)/3 =...
@戎闸3997：求100道有理数混合运算口算题(初中水平)最好有答案,谢谢!没有也不勉强!(*^__^*) 嘻嘻 - 作业帮
周泪15154817835…… [答案] 102*(-4.5)-(-3)*(-5) ÷2 7.8*6.9+2.2*6.9 (-2)+2-(-52)*(-1) *5+87÷(-3)*(-1) 5.6*0.258*(20-1.25) (-7.1) *〔(-3)*(-5)〕÷2 -2.5*(-4.8)*(0.09)÷(-0.27) 127+352+73+44*(-2) 89*276+(-135)-33 25*71+75÷29 -88÷(-2) 243+89+111+57 9405-2940÷28*21 920-...
@戎闸3997：初一数学计算题
周泪15154817835…… 98x102x2004=(100-2)*(100+2)*2004=(10000-4)*2004=20040000-8016=20031984
