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四年级简算练习班别姓名
一、写出字母式。
乘法交换律:,加法360问答交换律:,
乘法结合律:,加法结合律:,
乘法分配律:
二、9.2×40+0.8×400.45×49+0.4525×4.40.125×44
0.25×8.8125×8.8
8.1+99×8.16.7×24-6.7×4
1.5×11坏艺坚病-1.50.35×43-3×0.350.35+4.3-4.3+0.35
4.7×47+4口全分小内.7×362×62-62×27.54+0.982+1.46
298×3.4102×3.49.06-(9.06+1.3)
9.9×23202×0.37判断。
1、78×(10-2)=78×10-2()
25×3.23.2×1252、(30+3)×4=30×4+4()
3、45×7×2=(45×2)×(7×2)()
16×0.251.25×164、45×7×2=(45×2)+(7茶女行所喜茶京农×2)()
5、45×7×2=(45×2)×7导具()
2.4×25125×2.4
48.5+7.18-8.5+4.6+2.2290.45-15.7-0.45+5.7
5.019-1.44-2.56+0.981-0.870.43-12.64+1.57-4.36+1.03
9组.06+3.5-9.06+3永名胶服质.59.67+(4.26+0.33)-1.4
31.021+(3.假9-1.021)+1.173.25-(10.25+4.9)-5.1
73.25-(10.25-4.9)-5.11.25×9×1.62×7×6.5
0.8×4.6×0.2514.5×(9×0须经容击.2)-4.5
3.6×0.8+3.6×0.3-3.6×0.1
9.17×4.8-9.17×0.4-9.17×0.5+9.17×0.1
不知可不可以,呵呵~~
标签:算题,年级