王老师买了8盒糖和5盒蛋糕共用去l71元,李老师买了同样的5盒糖和2盒蛋糕共用去90元.每盒糖和每盒蛋糕各多少元?
0.49×0.7 2.6×1.05 28.35÷7 3.28÷1.6
直接写出得数:0.34×5= 16×0.01= 0.8×0.5= 600×0.7= 0.2÷0.4=1.6÷0.8= 4.2÷2.1= 4.6÷0.46= (3+1.1)×4= 0.56×8﹣1.2=
34.2×0.64= 0.63×0.106= 1.06×20.5= 6.8×0.195=750.4÷0.56= 1.512÷0.36= 57.76÷15.2= 11.124÷54=
0.5×6 2.4×5 0×2.8 1.4×0.9 1.3+56.3÷3 0÷3.9 1.5÷0.3 40.8÷8 2.7×1.25×0.8.
口算 0.5×5= 0.2﹣0.2= 6.5÷100= 0.61÷10=1.25×8= 4.85×0= 0.08×0.9= 1000×3.08=9.5+0.52= 4.8﹣2.5= 7.3×100= 6.7﹣4.5=0.24÷4= 5.2÷4= 1.5×0.04= 0.45÷9=