Question

举一反三A版 第二周 疯狂操练三

Answer 1

1. 45*2.08+1.5*37.6＝30*1.5*2.08+1.5*37.6＝1.5*（30*2.08+37.6）＝1.5*100＝1502. 52*11.1+2.6*778＝2.6*20*11.1+2.6*778＝2.6*（20*11.1+778）＝2.6*1000＝26003. 48*1.08+1.2*56.8＝40*1.2*1.08+1.2*56.8＝1...