有理数的乘法、有理数及其运算.几道计算题不会,神仙 0x(-5/6);(-3)x0.3;3x(-1/3);(-1/6)x(-6/7);(-3/4)x(-8);(0.25-2/3)x(-36);30x(1/2-1/3);8x(-4/5)x1/16;(1/3+1/4-1/6)x24
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![有理数的乘法、有理数及其运算.几道计算题不会,神仙 0x(-5/6);(-3)x0.3;3x(-1/3);(-1/6)x(-6/7);(-3/4)x(-8);(0.25-2/3)x(-36);30x(1/2-1/3);8x(-4/5)x1/16;(1/3+1/4-1/6)x24](/uploads/image/z/448026-42-6.jpg?t=%E6%9C%89%E7%90%86%E6%95%B0%E7%9A%84%E4%B9%98%E6%B3%95%E3%80%81%E6%9C%89%E7%90%86%E6%95%B0%E5%8F%8A%E5%85%B6%E8%BF%90%E7%AE%97.%E5%87%A0%E9%81%93%E8%AE%A1%E7%AE%97%E9%A2%98%E4%B8%8D%E4%BC%9A%2C%E7%A5%9E%E4%BB%99+0x%EF%BC%88-5%2F6%EF%BC%89%EF%BC%9B%EF%BC%88-3%EF%BC%89x0.3%EF%BC%9B3x%EF%BC%88-1%2F3%EF%BC%89%EF%BC%9B%EF%BC%88-1%2F6%EF%BC%89x%EF%BC%88-6%2F7%EF%BC%89%EF%BC%9B%EF%BC%88-3%2F4%EF%BC%89x%EF%BC%88-8%EF%BC%89%EF%BC%9B%EF%BC%880.25-2%2F3%EF%BC%89x%EF%BC%88-36%EF%BC%89%EF%BC%9B30x%EF%BC%881%2F2-1%2F3%EF%BC%89%EF%BC%9B8x%EF%BC%88-4%2F5%EF%BC%89x1%2F16%EF%BC%9B%EF%BC%881%2F3%2B1%2F4-1%2F6%EF%BC%89x24)
有理数的乘法、有理数及其运算.几道计算题不会,神仙 0x(-5/6);(-3)x0.3;3x(-1/3);(-1/6)x(-6/7);(-3/4)x(-8);(0.25-2/3)x(-36);30x(1/2-1/3);8x(-4/5)x1/16;(1/3+1/4-1/6)x24
有理数的乘法、有理数及其运算.几道计算题不会,
神仙
0x(-5/6);
(-3)x0.3;
3x(-1/3);
(-1/6)x(-6/7);
(-3/4)x(-8);
(0.25-2/3)x(-36);
30x(1/2-1/3);
8x(-4/5)x1/16;
(1/3+1/4-1/6)x24;
100x(-3)x(-5)x0.01;
(1/4-1/2-1/8)x128;
2.25x(-2.3)x3/25;
(-4)x(-5)x0.25;
(-2.1)x6.5x(-3/7);
有理数的乘法、有理数及其运算.几道计算题不会,神仙 0x(-5/6);(-3)x0.3;3x(-1/3);(-1/6)x(-6/7);(-3/4)x(-8);(0.25-2/3)x(-36);30x(1/2-1/3);8x(-4/5)x1/16;(1/3+1/4-1/6)x24
0x(-5/6)=0;
(-3)x0.3=-0.9;
3x(-1/3)=-1;
(-1/6)x(-6/7)=1/7;
(-3/4)x(-8)=6;
(0.25-2/3)x(-36)=(1/4-2/3)×(-36)=(3/12-8/12)×(-36)=-5/12×(-36)=15;
作为初一的数学老师,我觉得你上课肯定没有认真听课,孩子,不要指望网络啊,自己好好学
0;-0.9;-1;1/7;6
0;-0.9;-1;1/7;6;.........下期再给!