Question

直接寫(xiě)出得數(shù)

92=	1.8×0.5=	0.35+1.45=	0.8×12.5=	7-0.76=
4.5÷1.5=	1.54+0.7=	18.5÷5=	2.47-0.7=	0.6×7=
2.6÷20=	10÷2.5=	0.65×100=	5.4×400=	0.83÷0.1=
8.3×0.1=	1.5×3=	7÷3.5=	0.9÷10=	9.9+2.7=

Answer 1

分析：本題都是簡(jiǎn)單的小數(shù)四則運(yùn)算，要按照四則運(yùn)算的法則進(jìn)行計(jì)算，直接寫(xiě)出得數(shù)即可．

解答：解：

92=81	1.8×0.5=0.9	0.35+1.45=1.8	0.8×12.5=10	7-0.76=6.24
4.5÷1.5=3	1.54+0.7=2.24	18.5÷5=3.7	2.47-0.7=1.77	0.6×7=4.2
2.6÷20=0.13	10÷2.5=4	0.65×100=65	5.4×400=2160	0.83÷0.1=8.3
8.3×0.1=0.83	1.5×3=4.5	7÷3.5=2	0.9÷10=0.09	9.9+2.7=12.6

故答案為81；0.9；1.8；10；6.24；3；2.24；3.7；1.77；4.2；0.13；4；65；2160；8.3；0.83；4.5；2；0.09；12.6．

點(diǎn)評(píng)：此題是考查快速計(jì)算的能力，要看清數(shù)字和運(yùn)算符號(hào)．