简便计算4.5+5.5+6.7

薛伊界855简便计算 4.5+5.5x3.6 -
齐沾贸18524077062 ______ 简便计算4.5+5.5x3.6=4.5+5.5*(4-0.4)=4.5+22-2.2=24.3

薛伊界8554.5*5.5+5.5*5.5的简便计算 -
齐沾贸18524077062 ______ 4.5x5.5+5.5x5.5 =5.5x(4.5+5.5) =5.5x10 =55

薛伊界855简便计算4.5*4.5+5.5*4.5 -
齐沾贸18524077062 ______ 你好: 4.5*4.5+5.5*4.5 =4.5*(4.5+5.5) =4.5*10 =45

薛伊界8550.55+ 5.5 +4.5简算,或托式计算 -
齐沾贸18524077062 ______ 0.55+ 5.5 +4.5 =0.55+(5.5+4.5) =0.55+10 =10.55

薛伊界8554.5+5.5 - 4.5+5.5简算? -
齐沾贸18524077062 ______ 4.5+5.5-4.5+5.5=(4.5-4.5)+(5.5+5.5)=0+11=11

薛伊界8554.5x4.5+5.5x4.5怎样简便算 -
齐沾贸18524077062 ______ =4.5*(4.5+5.5) =4.5*10 =45

薛伊界855四点5+5点5*36的简便计算 -
齐沾贸18524077062 ______ 4.5+5.5x36 =4.5+5.5x4x9 =4.5+22x9 =4.5+198 =202.5 谢谢,请采纳

薛伊界8557.8x4.5+5.5=7.8x10=78对吗简便运算 -
齐沾贸18524077062 ______ 错误,4.5和5.5没有共同的另一个因数 7.8*4.5+5.5*7.8才是7.8*10=78

薛伊界8554.5x5十5.5÷0.2怎么简便计算 -
齐沾贸18524077062 ______ 4.5*5+5.5/0.2=4.5*5+5.5*5=(4.5+5.5)*5=10*5=50 求采纳

薛伊界8554.5+5.5*0.42 -
齐沾贸18524077062 ______ 直接计算最简单:4.5+5.5*0.42=4.5+2.31=6.81.