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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。

15×36 =15×4×9 =60×9 =540

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 ...

1. 4×102-2×49 =408-2×49 =408-98 =310 2. 25×(2+4) =25×2+25×4 =50+100 =150 3. 12×5+8 =60+8 =68 4. 99×101 =99×(100+1) =99×100+99×1 =9900+99 =9999 5. 25×(78×4) =25×4×78 =100×78 =7800 6. (25+12)×4 =25×4+12×4 =100+48 =148 7. ...

(5/9+3/4+7/12)×36 =5/9×36+3/4×36+7/12×36 =20+27+21 =68 56×4/57 =(57-1)×4/57 =57×4/57-4/57 =4-4/57 =3又53/57

先算18除以9啊孩子

34×18-540÷6 =34×20-34×2-90 =680-68-90 =680-158 =522

0.25乘以59+5/4加36除以四脱式计算 0.25×59+5/4+36÷4 =14.75+1.25+9 =25, 请采纳,谢谢.

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