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小学数学六年级上册100道简便计算

132x125Ⅹ25

1. 6÷ 3/8 – 3/8 ÷6 =1/6x(3/8-3/8) =1/6x0 =0 2. 4/7 × 5/9 + 3/7 × 5/9 =(4/7+3/7)x5/9 =1x5/9 =5/9 3. 5/2 -( 3/2 + 4/5 ) =5/2-3/2-4/5 =1-4/5 =1/5 4. 6 ×( 1/2 + 2/3 ) =6x1/2+6x2/3 =3+4 =7 5. 8 × 4/5 + 8 × 11/5 =8x(4/5+11/5) =8x...

2.8×4/5+8.2×4/5-4/5 =(2.8+8.2-1)×4/5 =10×4/5 =8 你好,本题已解答,如果满意 请点右下角“采纳答案”。

. 3/7 × 49/9 - 4/3 2. 8/9 × 15/36 + 1/27 3. 12× 5/6 – 2/9 ×3 4. 8× 5/4 + 1/4 5. 6÷ 3/8 – 3/8 ÷6 6. 4/7 × 5/9 + 3/7 × 5/9 7. 5/2 -( 3/2 + 4/5 ) 8. 7/8 + ( 1/8 + 1/9 ) 9. 9 × 5/6 + 5/6 10. 3/4 × 8/9 - 1/3 11. 7 × 5/49 + 3/14 ...

(1)2.64×1.7-2.64×0.7 =2.64×(1.7-0.7) =2.64×1 =2.64 (2)31.5×1.07-3.15×0.7 =3.15×10.7-3.15×0.7 =3.15×(10.7-0.7) =3.15×10 =31.5 (3)2.7×5.7-2.7+5.3×2.7 =2.7×(5.7-1+5.3) =2.7×10 =27 (4)0.625÷0.125×0.8 =(0.625×0.8)×8÷...

45.55-(6.82+15.55) 34.52-17.87-12.23 6.43-(1.4-0.57) 23.75-8.64-3.46 17.83-9.5-7.83-0.5 5.38+88.2-2.38+1.8 27.38-5.34+2.62-4.66 21.63-(8.5+9.63) 7.5-2.45+7.5+2.45 0.9+0.99+0.999 5.09-(0.09+1.23) 9.36...

采纳一下吧 灰常感谢啦

灵活运用各种运算法则,数学运算法则表 1、加减法 把两个数合并一个数的运算叫做加法。 相加的各个数都叫做加数,加得的数叫做和。 例如:4(加数)+3(加数)=7(和) 已知两个加数的和与其中一个加数,求另一个加数的运算叫做减法。 减法是加...

0.4×125×25×0.8 =(0.4×25)×(125×0.8) =10×100=1000 1.25×(8+10) =1.25×8+1.25×10 =10+12.5=22.5 9123-(123+8.8) =9123-123-8.8 =9000-8.8 =8991.2 1.24×8.3+8.3×1.76 =8.3×(1.24+1.76) =8.3×3=24.9 9999×1001 =9999×(1000+1) =9999×1000+9999×1 ...

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