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5乘以9减36用脱式计算怎么算?

5x9-36 =45-36 =9

这道题利用乘法结合律, 所以结果是, 算式9.5×(12.6-2.6)=95。

答案 5×9-36 =45-36 =9

15×36 =15×4×9 =60×9 =540

360÷(4+36)×5 =360÷40×5 =9×5 =45

60.5乘1.9减1.8用脱式计算答案四年级下册 60.5乘1.9减1.8 =114.95-1.8 =113.15 直接计算

1.3/7 × 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 ...

666÷9用脱式计算 =666÷3÷3 =222÷3 =74

2.25×36/5+2.8+4/9等于多少脱式计算 2.25×36/5+2.8+4/9 =9/4*36/5+14/5*9/4 =9/4*(36/5+14/5) =9/4*8 =18

(1)580-80×5,=580-400,=180;(2)(129+78)×9,=207×9,=1863;(3)(800-187)×5,=613×5,=3065;(4)35×6×9,=210×9,=1890;(5)268+36×4,=268+144,=412.

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