(1)2.144÷3.2+4.32= (2)9.66÷2.3÷0.3=
1个回答

(1)原式=0.67+4.32

=4.99 (2)原式=4.2÷0.3

=14 (3)原式=5.5×0.25×(1+0.4)

=1.925

(4)原式=1.25×8×2.47

=24.7 (5)原式=27×(10+0.2)

=275.4 (6)原式=4.8×(3.8+6.2)

=48