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66x93 +93x35

=93x(66+33+1) =93x100 =9300

66x93+93x33+93= (66+33+1)x93= 100x93= 9300

99*(63+33+1)=9900

用简便方法计算66x93十93x33+9366x93十93x33+93=93*(66+33+1)=93*100=6300

73+73x64+65x20+93x35解:简便计算=73x1+73x64+65x20+93x35=73x(1+64)+65x20+93x35 运用乘法分配率=73x65+65x20+93x35=65x(73+20)+93x35运用乘法分配率=65x93+93x35=93x(65+35)运用乘法分配率=93x100=9300祝天天向上.

93x[35十(214-195)]=93x[35十19]=93x54=90*54+3*54=4860+162=5022

93*35-128+36解:原式=3255-128+36=3127+36=3163

搜一下:用简便方法计算50x(60+8),93x99+93,35X(20-4),101x45,103x24

你好,以下是七年级数学计算题及答案,共100道(1)66x+17y=396725x+y=1200答 47x+50y=859845x+y=3780答案:x=84y=93(35)45x-30y=-145529x-y=725答案:x=25

1.2x+9y=81 3x+y=34 2.9x+4y=35 8x+3y=30 3.7x+2y=52 7x+4y=62 4.4x+6y=54 9x+2y=87 5.2x+y=7 2x+5y=19 6.x+2y=21 3x+5y=56 7.5x+7y=52 5x+2y=22 8.5x+5y=65 7x+7y=203 9.8x+4y=56 x+4y=2110.5x+7y=41 5x+8y=4411.7x+5y=54 3x+4y=3812

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