88×32+70-88×2的简便运算 59×52＋49×59的简便运算
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88×32+70-88×2的简便运算59×52＋49×59的简便运算88×32+70-88×2的简便运算59×52＋49×59的简便运算88×32+70-88×2的简便运算59×52＋49×59的简便
88×32+70-88×2的简便运算 59×52＋49×59的简便运算
88×32+70-88×2的简便运算 59×52＋49×59的简便运算
88×32+70-88×2的简便运算 59×52＋49×59的简便运算
88×32+70-88×2
=88×(32-2)+70
=88×30+70
=2640+70
=2710
59×52＋49×59
=59×(52+49)
=59×101
=59×100+59
=5959
88X32+70-88X2
=88(32-2)+70
=88X30+70
=88X30+30X2+10
=30(88+2)+10
=30X90+10
=2700+10
=2710
59X52+49X59+59
=59(51+49)+59
=59X100+59
=5900+59
=5959
88×32+70-88×2
=88×(32-2)+70
=(80+8)×30+70
=2400+240+70
=2710.
59×52＋49×59
=59×（52+49）
=59×（100+1）
=5900+59
=5959
88*32+70-88*2
=88*（32-2）+70
=88*30+70
=2640+70
==2710