直接写出得数 (1)8.4÷4= 0.36×3= 18.36÷0.6= 3.2×1.25×0.25=(2)4.28+15.2= 2.3×0.08= 0.56÷0.14= 1.5×0.63+0.37×1.5=(3)3.4×2= 6.3÷0.3= 0.96÷1.2= 12.5×4.2×0.8=(4)15.6﹣5.2= 4.2÷0.007= 4.6÷0.25= 1.25×(80+0.8)=
怎样简便就怎样算. 58×99+58101×88125×32×25 117+48+52+8388×125336﹣156﹣144.
用简便方法计算:(要写计算过程.) ①25×125×8×40②52×66+33×52+52 ③37×99④45×101.
用简便方法计算. 1.25×3.2×0.814.5×1024.38÷0.125÷0.86.4×4.5+3.6×4.5.
怎样算简便就怎样算 5.5×17.3+6.7×5.54×3.09×0.25 9.07﹣22.78÷3.4.
简便计算. 9.6+1.8﹣1.60.21+3.48+0.89+2.5215.3﹣(0.91+2.3)