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44x38 28x22怎么筒算

38 x12十28x22= (40-2)(10+2) + (30-2)(20+2)= 400 + 80 - 20 -4 + 600 +60-40-4= 1000 +80 -8= 1080-8= 1072

44x24 88x38的简便运算44x24 +88x38=44*24+44*2*38=44*24+44*76=44*(24+76)=44*100=4400

44x22+33x4=44x22+3x44=44x(22+3)=44x25=4x25x11=100x11=1100

44x34-22x38=22x2x34-22x38=22x68-22x38=22x(68-38)=22x30=660

28x38+72x38=38x(28+72)=38x100=3800 朋友,请【采纳答案】,您的采纳是我答题的动力,谢谢.

45分之44x38=(1-1/44)*38=38 - 38* 1/44=37又 3/22

44*22+33*4=44*22+11*3*4=44*22+44*3=44*25=1100 316*97+2*316+316=316*(97+2+1)=31600 456*25-50*25-6*25=(456-50-6)*25=10000

解:42X38+28X78=42X(28+10)+28X78=42X28+28X78+42X10=28X(42+78)+420=28X120+420=3360+420=3780满意请采纳.

28x56 + 44x56=56 x (28 + 44)=56 x (70 + 2)=56 x 70 + 56 x 2=3920 + 112=4032 希望我的回答对您有帮助,满意请采纳,谢谢.

156x38+44x38=(156+44)*38=200*38=7600

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