怎样简便怎样算.
(1)2.04+1.96﹣0.35(2)20.78﹣5.4﹣4.6(3)25×32×125
(4)8.2×99+8.2(5)4×4.78×0.25(6)0.65×99
(7)21.36÷08﹣12.9(8)1.2×2.5+0.8×2.5(9)102×0.45.
脱式计算.
96÷(15.4﹣12.2)9÷[0.3×(8﹣6.5)]0.175÷0.25÷0.4
0.175÷0.25×40.36÷[(6.1﹣4.6)×0.8]3.6×0.4+1.2×5.
怎样算简便就怎样算.
6.71×0.52+4.8×0.6712.5×(3.5﹣1.65)×0.4102×4.5
6.25÷1.25÷0.88.3﹣2.63+2.73×1.5.
(能简算的用简算)
(1)3.72﹣(1.72+1.3)(2)208×7.3﹣20.8×63(3)15×888+32×0.125×0.25
(4)+
﹣
(5)
+
+
+
(6)
﹣(
﹣
)
脱式计算(能简算的要简算)
2.5×1.37×0.44.8×0.250.89×4.8+0.89×5.2
101×0.788.8×1.254.3×0.8×5.