7.2乘以5.6加0.72乘以44
=7.2x5.6+7.2x4.4
=7.2x(5.6+4.4)
=7.2x10
=72
猜你喜欢
- 1it had been thought that the amazonian rainforest was safe from serious climate—related loss until temperatures rose mor
- 2用指针式万用表测量电流、电压、电阻时,都不用安装电池吗﹖
- 3we have lungh in the afternoon 翻译成中文是?
- 4A=3×5×a,B=2×3×a,A和B的最大公因数是()速回,有赏!
- 5生产同样的零件,甲5分钟生产1个,乙4分钟生产1个,.同样多的零件,甲和乙的工作效率是?
- 642,42,43,44,44,44,44,48,50,51这组数的中位数是几?
- 7七年级上册数学一课一练上册75页18题怎么做?
- 8初一数学上册一元一次方程去分母的步骤
- 9某工厂元月份生产机器100台,计划二 三月份共生产264台,求二 三月份的生产平均增长率
- 10高一数学必修二中三元二次方程组怎么解? 求解答!急用