直接写出下面各题的得数.60÷8= 36÷8= 17÷3=35÷4= 25÷6= 42÷5=
能简算的要简算.15.6﹣8.9+5.6 7.02+3.8+3.98+2.2 68.4﹣(4.7+8.4)35.8﹣(40﹣44.2) 100﹣13.72﹣36.82 47.35+16.88﹣7.35.
怎样简便就怎样计算0.75×4×0.25×4 9.6+9.6×99 15.58÷8.2﹣0.72 2.8×3.6+1.4×2.8 6.3×10.1.
怎样简便就怎样算.10.8﹣10.8÷3.6×1.5 12.5×2.5×884.7×0.35+0.65×84.7 2.43×99+2.43.
递等式计算(能简便的要简便计算)1.25×3.2×0.8 14.5×102 4.7×4.7+4.7+4.7×4.39.6÷0.4×0.25 8.68﹣8.68÷0.56×0.5 29.7÷(5.85÷0.65)
脱式计算.26.8﹣1.2×4 3.5×3+3.5×7(10﹣0.92)×(1÷0.1)6﹣1.3×(10﹣7.3)