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简便计算200道五年级

75×102 =75*(100+2) =75*100+75*2 =7500+150 =7650 1.2×2.5 =(1+0.2)*2.5 =1*2.5+0.2*2.5 =2.5+0.5 =3 90.1-9.9 =(90+0.1)-(10-0.1) =90+0.1-10+0.1 =80+0.2 =80.2

3.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.5 7.325-3.29-3.325 7.325-(5.325+1.7) 7.325-(5.325-1.7) 3.29+0.73-2.29+2.27 3.29×0.25×4 0.125×8.8 0.25×0.28 0.125×3.2×2.5 35×40.2 0.25×4÷0.25×4 3.5×9.9 3.5×99+3.5 3.5×101-3.5 3.5×9.9+3...

1,25×0.25×8×4 2、12.5×0.64×2.5 3、 3.45×29 + 30×3.45 +3.45×31 4、 0.87×65.5 + 37.5×0.87 – 3×0.87 5、3.9×7.6 + 3.9×2.4 +3.9

158+262+138 375+219+381+225 5001-247-1021-232 (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755-(2187+755) 2214+638+286 3065-738-1065 899+344 2357-183-3...

5.4×0.75÷1.5 270÷4.5 3.4×0.46+3.4×0.54 25.5÷〔(10-8.98)×2.5〕 2.5×(6.2-2.6)×0.4 12.6-(2.89+7.11)×1.01 6.3+4.82+3.7-0.82 307×10.1 0.45×18 132-43.7-56.3 ? 0. 32×12.5×2.5 5.6×1.25 7.6×27+7.6×174-7.6 72÷1.25÷8 7.3+2....

1、一副手套7元,一双运动鞋77元,一双运动鞋的价钱是一副手套的几倍? 2、一本书共180页,笑笑已经看了80页, ⑴还剩多少页没有看? ⑵剩下的页数,要在4天内看完,平均每天看多少页? 3、李老师买了4个足球,给售货员130元钱,找回2元,每个足球...

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 12.6 +( 1/2...

4/7+1/14-1/2 =8/14+1/14-7/14 =2/14 =1/7 5/3-3/8-5/8 =5/3-(3/8+5/8) =5/3-1 =2/3 3/5+3/11+7/5+11 =(3/5+7/5)+11+3/11 =2+11+2/11 =13又2/11 3/4-{5/6-1/3} =3/4-(5/6-2/6) =3/4-1/2 =3/4-2/4 =1/4 3/4+1/5=4/5 3/4-1/5=11/20 5/6+2/9=19...

小学数学五年级上册简便计算练习(160道) 请用简便方法计算下列各题 3.29+0.73+2.27 3.29-0.73-2.27 7.5+2.5-7.5+2.5 7.325-3.29-3.325 7.325-(5.325+1.7) 7.325-(5.325-1.7) 3.29+0.73-2.29+2.27 3.29×0.25×4 0.125×8.8 0.25×0.28 0.125×3.2×2...

30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24×3.5 20×[(2.44-1.8)÷0.4+0.15] 28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1 777×9+1111×3 0.8×〔15.5-(3.21+5.79)〕 (31.8+3.2×4)÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 ...

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