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1111×0.37+99.99×7怎么简便计算
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1111×0.37+99.99×7 =11.11×37+11.11×9×7 =11.11×37+11.11×63 =11.11×(37+63)=11.11×100 =1111
=111.1*6(0.52-2*3.0.37)=666.6*0.15=99.99
这道数学题的简便计算方式如下:28×11.11+9×11.11=(28+9)×11.1=411.07,这是涉及到数学加减乘除法的混合运算方式,所以在计算的过程中一定要准确了解题目的特点,然后提取公因数合并同类项,才可以达到更好的计算效果和程度。
1.01×99=99.99, 420÷35=12, 25×12=300, 135÷0.5=270 3/4 + 1/4 =1, 2 + 4/9 =22/9, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4 1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8 =5/4 3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5 ...
1.01×99=99.99420÷35=1225×12=300135÷0.5=2703/4 + 1/4 =12 + 4/9 =2又4/93 - 2/3 =2又1/33/4 - 1/2= 1/41/6 + 1/2 -1/6 =1/27.5-(2.5+3.8)=1.27/8 + 3/8 =1.253/10 +1/5 =0.54/5 - 7/10 = 0.12 - 1/6 -1/3 =1.50.51÷17=0.0332.8+19=51.85.2÷...
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4×0.25=1 0.36+1.54=1.9 1.01×99=99.99 420÷35=12 25×12=300 135÷0.5=270 3/4 + 1/4 =1 2 + 4/9 =2又4/9 3 - 2/3 =2又1/3 3/4 - 1/2= 1/4 1/6 + 1/2 -1/6 =1/2 7.5-(2.5+3.8)=1.2 7/8 + 3/8 =1.25 3/10 +1/5 =0.5 4/5 - 7...
计算题:(15.6+9.744/2.4)*0.5 2.881/0.43-3.5*0.24 13.5*0.68/8.5 43.6-7.6*4.1 (86.9+667.6)/50.3 (73.5+80.5)/(10+12)(7.8*15+5.1*10+6*5)/(15+10+5)12.53-1.35*2-9.3 0.8*(4-3.75)/0.1 6-1.3*(10-7.3)30.8÷[14-(9.85+1...