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98x33十66的简便计算

98x33 +666简便计算98x33 +666=98*33+33*2+600=100*33+600=3300+600=3900

98x34=(100-2)*34=100*34-2*34=3400-68=3332

98*35+2*35=(98+2)*35=3500

98x35十70=98x35十2*35=(98+2)*35=100*35=3500

33*28+66=33*28+33*2=33*(28+2)=33*30=990

88X33十44X34的简便算法解答88X33十44X34=44X66十44X34=44X(66十34)=44X100=4400

简便计算98x3十6498x3十64=98*3+3*2+64-6=3*100+58=358

98x27十54=98*27+2*27=(98+2)*27=100*27=2700

原式=22x33+66x88=11x2x33+66x88=11x66+66x88=(11+88)x66=99x66=100x66-1x66=6600-66=6534供参考.

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